diff --git a/shanoir-ng-front/src/app/app.module.ts b/shanoir-ng-front/src/app/app.module.ts
index a20b71e4ef..94aca5d40c 100644
--- a/shanoir-ng-front/src/app/app.module.ts
+++ b/shanoir-ng-front/src/app/app.module.ts
@@ -275,6 +275,7 @@ import { TreeService } from './studies/study/tree.service';
 import { CoilNodeComponent } from './coils/coil/tree/coil-node.component';
 import { DoubleAwesomeComponent } from './shared/double-awesome/double-awesome.component';
 import { MetadataNodeComponent } from './datasets/tree/metadata-node.component';
+import { SizePipe } from './shared/utils/size.pipe';
 
 @NgModule({ 
     declarations: [
@@ -453,7 +454,8 @@ import { MetadataNodeComponent } from './datasets/tree/metadata-node.component';
         StudyTreeComponent,
         CoilNodeComponent,
         DoubleAwesomeComponent,
-        MetadataNodeComponent
+        MetadataNodeComponent,
+        SizePipe
     ],
     bootstrap: [AppComponent], 
     imports: [
diff --git a/shanoir-ng-front/src/app/async-tasks/task.model.ts b/shanoir-ng-front/src/app/async-tasks/task.model.ts
index 9e5183e6fc..a0c75af480 100644
--- a/shanoir-ng-front/src/app/async-tasks/task.model.ts
+++ b/shanoir-ng-front/src/app/async-tasks/task.model.ts
@@ -53,6 +53,7 @@ export class Task extends Entity {
     hasReport: boolean;
     sessionId: string;
     _idAsString: string;
+    hideFromMenu: boolean;
     private readonly FIELDS: string[] = ['id', 'creationDate', 'lastUpdate','_status','_message', '_progress', '_eventType', 'eventLabel', 'objectId', 'route', 'report', 'sessionId', '_idAsString'];
 
     set eventType(eventType: string) {
@@ -138,7 +139,7 @@ export class Task extends Entity {
         return true;
     }
 
-    updateWith(task: Task) {
+    updateWith(task: Task): Task {
         if (task.status != undefined) this.status = task.status;
         if (task.progress != undefined) this.progress = task.progress;
         if (task.lastUpdate) this.lastUpdate = task.lastUpdate;
@@ -146,6 +147,14 @@ export class Task extends Entity {
         if (task.report) this.report = task.report;
         if (task.message) this.message = task.message;
         if (task.idAsString) this.idAsString = task.idAsString;
+        if (task.hideFromMenu != undefined) this.hideFromMenu = task.hideFromMenu;
+        if (task.sessionId) this.sessionId = task.sessionId;
+        if (task.eventLabel) this.eventLabel = task.eventLabel;
+        if (task.debugTs) this.debugTs = task.debugTs;
+        if (task.objectId) this.objectId = task.objectId;
+        if (task.route) this.route = task.route;
+        if (task.hasReport != undefined) this.hasReport = task.hasReport;
+        return this;
     }
 }
 
diff --git a/shanoir-ng-front/src/app/examinations/tree/examination-node.component.html b/shanoir-ng-front/src/app/examinations/tree/examination-node.component.html
index abe5ed3a31..f46e6c5bd8 100644
--- a/shanoir-ng-front/src/app/examinations/tree/examination-node.component.html
+++ b/shanoir-ng-front/src/app/examinations/tree/examination-node.component.html
@@ -28,6 +28,7 @@
         (chkbxChange)="selectedChange.emit()"
         (firstOpen)="firstOpen()"
         [hasChildren]="hasChildren()"
+        [dataLoading]="loading"
         [title]="node.title + ' n°' + node.id">
 
     <dropdown-menu [(openInput)]="menuOpened" *ngIf="menuOpened && withMenu && node.id != null">
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/edit/anesthetic-form.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/edit/anesthetic-form.component.ts
index a671f2c7a3..cbdd523014 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/edit/anesthetic-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/edit/anesthetic-form.component.ts
@@ -41,7 +41,6 @@ import { Option } from '../../../../shared/select/select.component';
     selector: 'anesthetic-form',
     templateUrl: 'anesthetic-form.component.html',
     styleUrls: ['anesthetic-form.component.css'],
-    providers: [AnestheticService, AnestheticIngredientService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/list/anesthetic-list.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/list/anesthetic-list.component.ts
index bc494fd3c2..0a3e159eeb 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/list/anesthetic-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/anesthetic/list/anesthetic-list.component.ts
@@ -31,7 +31,6 @@ import { AnestheticService } from '../shared/anesthetic.service';
     selector: 'anesthetic-list',
     templateUrl: 'anesthetic-list.component.html',
     styleUrls: ['anesthetic-list.component.css'],
-    providers: [AnestheticService],
     standalone: false
 })
 export class AnestheticsListComponent  extends BrowserPaginEntityListComponent<Anesthetic>{
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/edit/examinationAnesthetic-form.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/edit/examinationAnesthetic-form.component.ts
index 4aa7009d6f..08b17d393c 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/edit/examinationAnesthetic-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/edit/examinationAnesthetic-form.component.ts
@@ -33,7 +33,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'examination-anesthetic-form',
     templateUrl: 'examinationAnesthetic-form.component.html',
-    providers: [ExaminationAnestheticService, ReferenceService, AnestheticService],
     standalone: false
 })
 @ModesAware
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/list/examinationAnesthetic-list.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/list/examinationAnesthetic-list.component.ts
index e90b84f5b2..23b4d8de1e 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/list/examinationAnesthetic-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/examination_anesthetic/list/examinationAnesthetic-list.component.ts
@@ -25,7 +25,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'examination-anesthetics-list',
     templateUrl: 'examinationAnesthetic-list.component.html',
     styleUrls: ['examinationAnesthetic-list.component.css'],
-    providers: [ExaminationAnestheticService],
     standalone: false
 })
 export class ExaminationAnestheticsListComponent  extends BrowserPaginEntityListComponent<ExaminationAnesthetic>{
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/edit/anestheticIngredient-form.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/edit/anestheticIngredient-form.component.ts
index 5fea6dcb67..2296719dc1 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/edit/anestheticIngredient-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/edit/anestheticIngredient-form.component.ts
@@ -35,7 +35,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'anesthetic-ingredient-form',
     templateUrl: 'anestheticIngredient-form.component.html',
-    providers: [AnestheticIngredientService, ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/list/anestheticIngredient-list.component.ts b/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/list/anestheticIngredient-list.component.ts
index 1090e357f6..4c9578c889 100644
--- a/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/list/anestheticIngredient-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/anesthetics/ingredients/list/anestheticIngredient-list.component.ts
@@ -36,7 +36,6 @@ export type Mode =  "view" | "edit" | "create";
     selector: 'ingredients-list',
     templateUrl: 'anestheticIngredient-list.component.html',
     styleUrls: ['anestheticIngredient-list.component.css'],
-    providers: [AnestheticIngredientService],
     standalone: false
 })
 
diff --git a/shanoir-ng-front/src/app/preclinical/animalSubject/edit/animalSubject-form.component.ts b/shanoir-ng-front/src/app/preclinical/animalSubject/edit/animalSubject-form.component.ts
index c6173b438a..4416dfe89f 100644
--- a/shanoir-ng-front/src/app/preclinical/animalSubject/edit/animalSubject-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/animalSubject/edit/animalSubject-form.component.ts
@@ -54,7 +54,6 @@ import { MassDownloadService } from 'src/app/shared/mass-download/mass-download.
     selector: 'animalSubject-form',
     templateUrl: 'animalSubject-form.component.html',
     styleUrls: ['../../../subjects/subject/subject.component.css', 'animalSubject-form.component.css'],
-    providers: [AnimalSubjectService, ReferenceService, PathologyService, SubjectPathologyService, SubjectTherapyService],
     animations: [slideDown, preventInitialChildAnimations],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/animalSubject/list/animalSubject-list.component.ts b/shanoir-ng-front/src/app/preclinical/animalSubject/list/animalSubject-list.component.ts
index b0fe26a3dd..577961054d 100644
--- a/shanoir-ng-front/src/app/preclinical/animalSubject/list/animalSubject-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/animalSubject/list/animalSubject-list.component.ts
@@ -30,7 +30,6 @@ import {PreclinicalSubject} from '../shared/preclinicalSubject.model';
     selector: 'animalSubject-list',
     templateUrl: 'animalSubject-list.component.html',
     styleUrls: ['animalSubject-list.component.css'],
-    providers: [AnimalSubjectService],
     standalone: false
 })
 export class AnimalSubjectsListComponent  extends BrowserPaginEntityListComponent<PreclinicalSubject>{
diff --git a/shanoir-ng-front/src/app/preclinical/contrastAgent/edit/contrastAgent-form.component.ts b/shanoir-ng-front/src/app/preclinical/contrastAgent/edit/contrastAgent-form.component.ts
index 775abc488e..7287d586e3 100644
--- a/shanoir-ng-front/src/app/preclinical/contrastAgent/edit/contrastAgent-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/contrastAgent/edit/contrastAgent-form.component.ts
@@ -32,7 +32,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'contrast-agent-form',
     templateUrl: 'contrastAgent-form.component.html',
     styleUrls: ['contrastAgent-form.component.css'],
-    providers: [ContrastAgentService, ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/contrastAgent/list/contrastAgent-list.component.ts b/shanoir-ng-front/src/app/preclinical/contrastAgent/list/contrastAgent-list.component.ts
index 494e9ec905..24d7fc4534 100644
--- a/shanoir-ng-front/src/app/preclinical/contrastAgent/list/contrastAgent-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/contrastAgent/list/contrastAgent-list.component.ts
@@ -27,7 +27,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'contrast-agent-list',
     templateUrl: 'contrastAgent-list.component.html',
     styleUrls: ['contrastAgent-list.component.css'],
-    providers: [ContrastAgentService],
     standalone: false
 })
 export class ContrastAgentsListComponent extends BrowserPaginEntityListComponent<ContrastAgent>{
diff --git a/shanoir-ng-front/src/app/preclinical/examination/list/animal-examination-list.component.ts b/shanoir-ng-front/src/app/preclinical/examination/list/animal-examination-list.component.ts
index e5cc1a2149..1c7845416e 100644
--- a/shanoir-ng-front/src/app/preclinical/examination/list/animal-examination-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/examination/list/animal-examination-list.component.ts
@@ -32,7 +32,6 @@ import { ExaminationService } from '../../../examinations/shared/examination.ser
 @Component({
     selector: 'animal-examination-list',
     templateUrl: 'animal-examination-list.component.html',
-    providers: [ExaminationService],
     standalone: false
 })
 export class AnimalExaminationListComponent extends EntityListComponent<Examination>{
diff --git a/shanoir-ng-front/src/app/preclinical/extraData/bloodGasData/add/bloodGasData-form.component.ts b/shanoir-ng-front/src/app/preclinical/extraData/bloodGasData/add/bloodGasData-form.component.ts
index 46475d4dbd..cf84aa6f01 100644
--- a/shanoir-ng-front/src/app/preclinical/extraData/bloodGasData/add/bloodGasData-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/extraData/bloodGasData/add/bloodGasData-form.component.ts
@@ -31,7 +31,6 @@ import { ExtraData } from '../../extraData/shared/extradata.model';
 @Component({
     selector: 'bloodgas-data-upload-form',
     templateUrl: 'bloodGasData-form.component.html',
-    providers: [ExtraDataService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/extraData/extraData/shared/extradata.service.ts b/shanoir-ng-front/src/app/preclinical/extraData/extraData/shared/extradata.service.ts
index fd230bef09..3388c79b6c 100644
--- a/shanoir-ng-front/src/app/preclinical/extraData/extraData/shared/extradata.service.ts
+++ b/shanoir-ng-front/src/app/preclinical/extraData/extraData/shared/extradata.service.ts
@@ -39,7 +39,6 @@ export class ExtraDataService extends EntityService<ExtraData>{
     }
   
     getExtraData(id:string): Promise<ExtraData> {
-        console.log('prout')
         return this.http.get<ExtraData>(PreclinicalUtils.PRECLINICAL_API_EXAMINATION_URL+"/"+id)
             .toPromise()
             .then((entity) => this.toRealObject(entity));
diff --git a/shanoir-ng-front/src/app/preclinical/extraData/physiologicalData/add/physiologicalData-form.component.ts b/shanoir-ng-front/src/app/preclinical/extraData/physiologicalData/add/physiologicalData-form.component.ts
index 6d413b5158..d0de2c422b 100644
--- a/shanoir-ng-front/src/app/preclinical/extraData/physiologicalData/add/physiologicalData-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/extraData/physiologicalData/add/physiologicalData-form.component.ts
@@ -33,7 +33,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'physiological-data-upload-form',
     templateUrl: 'physiologicalData-form.component.html',
-    providers: [ExtraDataService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/pathologies/pathology/edit/pathology-form.component.ts b/shanoir-ng-front/src/app/preclinical/pathologies/pathology/edit/pathology-form.component.ts
index 3d803a504b..f190f2ec04 100644
--- a/shanoir-ng-front/src/app/preclinical/pathologies/pathology/edit/pathology-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/pathologies/pathology/edit/pathology-form.component.ts
@@ -25,7 +25,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'pathology-form',
     templateUrl: 'pathology-form.component.html',
-    providers: [PathologyService],
     standalone: false
 })
 @ModesAware
diff --git a/shanoir-ng-front/src/app/preclinical/pathologies/pathology/list/pathology-list.component.ts b/shanoir-ng-front/src/app/preclinical/pathologies/pathology/list/pathology-list.component.ts
index c52196b0e2..c19c5c0ae3 100644
--- a/shanoir-ng-front/src/app/preclinical/pathologies/pathology/list/pathology-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/pathologies/pathology/list/pathology-list.component.ts
@@ -33,7 +33,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'pathology-list',
     templateUrl: 'pathology-list.component.html',
     styleUrls: ['pathology-list.component.css'],
-    providers: [PathologyService],
     standalone: false
 })
 export class PathologiesListComponent extends BrowserPaginEntityListComponent<Pathology>{
diff --git a/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/edit/pathologyModel-form.component.ts b/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/edit/pathologyModel-form.component.ts
index 2bba07b9a5..9576e16a20 100644
--- a/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/edit/pathologyModel-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/edit/pathologyModel-form.component.ts
@@ -30,7 +30,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'pathologyModel-form',
     templateUrl: 'pathologyModel-form.component.html',
-    providers: [PathologyModelService, PathologyService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/list/pathologyModel-list.component.ts b/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/list/pathologyModel-list.component.ts
index 6033ccbdf4..3c686a15ef 100644
--- a/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/list/pathologyModel-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/pathologies/pathologyModel/list/pathologyModel-list.component.ts
@@ -30,7 +30,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'pathologyModel-list',
     templateUrl: 'pathologyModel-list.component.html',
     styleUrls: ['pathologyModel-list.component.css'],
-    providers: [PathologyModelService],
     standalone: false
 })
 export class PathologyModelsListComponent extends BrowserPaginEntityListComponent<PathologyModel> {
diff --git a/shanoir-ng-front/src/app/preclinical/pathologies/subjectPathology/edit/subjectPathology-form.component.ts b/shanoir-ng-front/src/app/preclinical/pathologies/subjectPathology/edit/subjectPathology-form.component.ts
index 425c00379f..63f8b79056 100644
--- a/shanoir-ng-front/src/app/preclinical/pathologies/subjectPathology/edit/subjectPathology-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/pathologies/subjectPathology/edit/subjectPathology-form.component.ts
@@ -33,7 +33,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'subject-pathology-form',
     templateUrl: 'subjectPathology-form.component.html',
-    providers: [SubjectPathologyService, PathologyModelService, PathologyService, ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/reference/edit/reference-form.component.ts b/shanoir-ng-front/src/app/preclinical/reference/edit/reference-form.component.ts
index 2b88218f0f..d91f99a8f3 100644
--- a/shanoir-ng-front/src/app/preclinical/reference/edit/reference-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/reference/edit/reference-form.component.ts
@@ -28,7 +28,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'reference-form',
     templateUrl: 'reference-form.component.html',
     styleUrls: ['reference-form.component.css'],
-    providers: [ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/reference/list/reference-list.component.ts b/shanoir-ng-front/src/app/preclinical/reference/list/reference-list.component.ts
index 9bf3bc3617..51c08769c7 100644
--- a/shanoir-ng-front/src/app/preclinical/reference/list/reference-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/reference/list/reference-list.component.ts
@@ -25,7 +25,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'reference-list',
     templateUrl: 'reference-list.component.html',
     styleUrls: ['reference-list.component.css'],
-    providers: [ReferenceService],
     standalone: false
 })
     
diff --git a/shanoir-ng-front/src/app/preclinical/therapies/subjectTherapy/edit/subjectTherapy-form.component.ts b/shanoir-ng-front/src/app/preclinical/therapies/subjectTherapy/edit/subjectTherapy-form.component.ts
index b6599fa993..a30db84337 100644
--- a/shanoir-ng-front/src/app/preclinical/therapies/subjectTherapy/edit/subjectTherapy-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/therapies/subjectTherapy/edit/subjectTherapy-form.component.ts
@@ -36,7 +36,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
 @Component({
     selector: 'subject-therapy-form',
     templateUrl: 'subjectTherapy-form.component.html',
-    providers: [SubjectTherapyService, TherapyService, ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/therapies/therapy/edit/therapy-form.component.ts b/shanoir-ng-front/src/app/preclinical/therapies/therapy/edit/therapy-form.component.ts
index cd282f4a34..8b5c605d69 100644
--- a/shanoir-ng-front/src/app/preclinical/therapies/therapy/edit/therapy-form.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/therapies/therapy/edit/therapy-form.component.ts
@@ -29,7 +29,6 @@ import { TherapyService } from '../shared/therapy.service';
 @Component({
     selector: 'therapy-form',
     templateUrl: 'therapy-form.component.html',
-    providers: [TherapyService, ReferenceService],
     animations: [slideDown],
     standalone: false
 })
diff --git a/shanoir-ng-front/src/app/preclinical/therapies/therapy/list/therapy-list.component.ts b/shanoir-ng-front/src/app/preclinical/therapies/therapy/list/therapy-list.component.ts
index b003cf8636..1abbfc6e89 100644
--- a/shanoir-ng-front/src/app/preclinical/therapies/therapy/list/therapy-list.component.ts
+++ b/shanoir-ng-front/src/app/preclinical/therapies/therapy/list/therapy-list.component.ts
@@ -32,7 +32,6 @@ import { EntityService } from 'src/app/shared/components/entity/entity.abstract.
     selector: 'therapy-list',
     templateUrl: 'therapy-list.component.html',
     styleUrls: ['therapy-list.component.css'],
-    providers: [TherapyService],
     standalone: false
 })
 export class TherapiesListComponent  extends BrowserPaginEntityListComponent<Therapy> {
diff --git a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.css b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.css
index bd7062568f..b79140b4f8 100644
--- a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.css
+++ b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.css
@@ -9,4 +9,9 @@ input[type="number"] { width: 52px; }
 .warning { margin-left: 10px; color: var(--color-error); vertical-align: inherit; }
 .warning i { margin-right: 2px; }
 
-.format-preview { position: absolute; top: 0; right: 0; width: 220px; }
\ No newline at end of file
+.format-preview { position: absolute; top: 0; right: 0; width: 220px; }
+
+.msg { max-width: 600px; color: blue; line-height: 20px; text-align: left; background-color: lightsteelblue; padding: 10px 20px; border-radius: 2px; }
+.msg i { font-size: 20px; color: blue; opacity: 0.5; }
+.msg a { cursor: pointer; }
+.loading-msg { position: absolute; top: 0; right: 0; padding: 10px; font-size: 20px; }
\ No newline at end of file
diff --git a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.html b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.html
index 42d5927bec..2541eb1bcb 100644
--- a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.html
+++ b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.html
@@ -1,8 +1,13 @@
 <div class="cell">
     <form #window class="window" [formGroup]="form">
         <h2 class="header">Download Datasets</h2>
-        <div *ngIf="loading">
-            <i *ngIf="loading" class="fas fa-cog fa-spin"></i> Retrieving download informations...
+        <div *ngIf="loading" class="loading-msg">
+            <i  class="fas fa-cog fa-spin"></i>
+        </div>
+        <div class="left-icon msg" *ngIf="totalSize">
+            <i class="fa-solid fa-circle-exclamation"></i>
+            <b>Total estimated size : {{totalSize | size}}</b>
+            <br/>You will download the whole study, make sure you have enough space available on your disk.
         </div>
         <fieldset class="body" disabled="loading">
             <ol>
diff --git a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.ts b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.ts
index 0aa71ef7f7..f84b64e0ce 100644
--- a/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.ts
+++ b/shanoir-ng-front/src/app/shared/mass-download/download-setup/download-setup.component.ts
@@ -35,6 +35,7 @@ export class DownloadSetupComponent implements OnInit, OnDestroy {
     @Output() go: EventEmitter<DownloadSetup> = new EventEmitter();
     @Output() close: EventEmitter<void> = new EventEmitter();
     @Input() inputIds: DownloadInputIds;
+    @Input() totalSize?: number;
     form: UntypedFormGroup;
     loading: boolean;
     loaded: boolean = false;
diff --git a/shanoir-ng-front/src/app/shared/mass-download/mass-download.service.ts b/shanoir-ng-front/src/app/shared/mass-download/mass-download.service.ts
index 96933094a2..1a9c0663b4 100644
--- a/shanoir-ng-front/src/app/shared/mass-download/mass-download.service.ts
+++ b/shanoir-ng-front/src/app/shared/mass-download/mass-download.service.ts
@@ -78,6 +78,8 @@ export class MassDownloadService {
     readonly BROWSER_COMPAT_ERROR_MSG: string = 'browser not compatible';
     readonly REPORT_FILENAME: string = 'downloadReport.json';
     winOs: boolean;
+    // @ts-ignore
+    public advancedDownloadCompat: boolean = !!window.showDirectoryPicker;
 
     constructor(
         private datasetService: DatasetService,
@@ -90,6 +92,10 @@ export class MassDownloadService {
         this.winOs = deviceInformationService.getDeviceInfo()?.os?.toLocaleLowerCase().includes('windows');
     }
 
+    downloadAllByStudyId(studyId: number, totalSize: number, downloadState?: TaskState) {
+        return this.downloadByDatasets({studyId: studyId}, downloadState, totalSize);
+    }
+
     downloadAllByExaminationId(examinationId: number, downloadState?: TaskState): Promise<void> {
         return this.downloadByDatasets({examinationId: examinationId}, downloadState);
     }
@@ -109,8 +115,8 @@ export class MassDownloadService {
     /**
      * This method is the generic entry to download multiple datasets.
      */
-    private downloadByDatasets(inputIds: DownloadInputIds, downloadState?: TaskState): Promise<void> {
-        return this.openModal(inputIds).then(ret => {
+    private downloadByDatasets(inputIds: DownloadInputIds, downloadState?: TaskState, totalSize?: number): Promise<void> {
+        return this.openModal(inputIds, totalSize).then(ret => {
             if (ret != 'cancel') {
                 return this._downloadDatasets(ret, downloadState);
             } else return Promise.resolve();
@@ -253,6 +259,7 @@ export class MassDownloadService {
         task.report = JSON.stringify(report, null, 4);
         if (report.nbError > 0) {
             task.status = 3;
+            task.progress = 1;
             const tab: string = '- ';
             task.message = (report.nbSuccess > 0 ? 'download partially succeed in ' : 'download failed in ') + report.duration + 'ms.\n'
                 + tab + report.nbSuccess + ' datasets were successfully downloaded\n'
@@ -530,11 +537,12 @@ export class MassDownloadService {
         return task;
     }
 
-    private openModal(inputIds: DownloadInputIds): Promise<DownloadSetup | 'cancel'> {
+    private openModal(inputIds: DownloadInputIds, totalSize?: number): Promise<DownloadSetup | 'cancel'> {
         // @ts-ignore
         if (window.showDirectoryPicker) { // test compatibility
             let modalRef: ComponentRef<DownloadSetupComponent> = ServiceLocator.rootViewContainerRef.createComponent(DownloadSetupComponent);
             modalRef.instance.inputIds = inputIds;
+            modalRef.instance.totalSize = totalSize;
             return this.waitForEnd(modalRef);
         } else {
             return Promise.reject(this.BROWSER_COMPAT_ERROR_MSG);
diff --git a/shanoir-ng-front/src/app/shared/notifications/notifications.service.ts b/shanoir-ng-front/src/app/shared/notifications/notifications.service.ts
index dfdaa66603..66aa990203 100644
--- a/shanoir-ng-front/src/app/shared/notifications/notifications.service.ts
+++ b/shanoir-ng-front/src/app/shared/notifications/notifications.service.ts
@@ -105,24 +105,26 @@ export class NotificationsService {
                     task.message = 'interrupted';
                 }
             }
-            if (task.status == -1 && task.lastUpdate) {
-                let freshError: boolean = !this.freshCompletedTasks?.find(t => t.id == task.id && t.status == -1) && !!this.tasksInProgress.find(tip => task.id == tip.id) || (Date.now() - new Date(task.lastUpdate).getTime()) <= (this.readInterval);
-                if (freshError) {
+            if (!task.hideFromMenu) {
+                if (task.status == -1 && task.lastUpdate) {
+                    let freshError: boolean = !this.freshCompletedTasks?.find(t => t.id == task.id && t.status == -1) && !!this.tasksInProgress.find(tip => task.id == tip.id) || (Date.now() - new Date(task.lastUpdate).getTime()) <= (this.readInterval);
+                    if (freshError) {
+                        this.freshTimeouts[task.id]?.triggerNow();
+                        this.pushToFreshError(task);
+                    }
+                } else if (task.status == 1 || task.status == 3) {
+                    let freshDone: boolean = !this.freshCompletedTasks?.find(t => t.id == task.id && (t.status == 1 || t.status == 3)) && !!this.tasksInProgress.find(tip => task.id == tip.id) || (Date.now() - new Date(task.lastUpdate).getTime()) <= (this.readInterval);
+                    if (freshDone) {
+                        this.freshTimeouts[task.id]?.triggerNow();
+                        this.pushToFreshCompleted(task);
+                    }
+                } else if (task.status == 2 || task.status == 5) {
                     this.freshTimeouts[task.id]?.triggerNow();
-                    this.pushToFreshError(task);
-                }
-            } else if (task.status == 1 || task.status == 3) {
-                let freshDone: boolean = !this.freshCompletedTasks?.find(t => t.id == task.id && (t.status == 1 || t.status == 3)) && !!this.tasksInProgress.find(tip => task.id == tip.id) || (Date.now() - new Date(task.lastUpdate).getTime()) <= (this.readInterval);
-                if (freshDone) {
+                    tmpTasksInProgress.push(task);
+                } else if (task.status == 4) {
                     this.freshTimeouts[task.id]?.triggerNow();
-                    this.pushToFreshCompleted(task);
+                    tmpTasksInWait.push(task);
                 }
-            } else if (task.status == 2 || task.status == 5) {
-                this.freshTimeouts[task.id]?.triggerNow();
-                tmpTasksInProgress.push(task);
-            } else if (task.status == 4) {
-                this.freshTimeouts[task.id]?.triggerNow();
-                tmpTasksInWait.push(task);
             }
         }
         this.tasksInProgress = tmpTasksInProgress;
@@ -136,7 +138,7 @@ export class NotificationsService {
         this.nbNew++;
         // remove after 30min
         this.freshTimeouts[task.id] = new SuperTimeout(() => {
-            this.freshCompletedTasks = this.freshCompletedTasks.filter(tip => tip.id != task.id);
+            this.removeTaskFromFreshCompleted(task);
         }, this.persistenceTime);
     }
 
@@ -147,10 +149,26 @@ export class NotificationsService {
         this.nbNewError++;
         // remove after 30min
         this.freshTimeouts[task.id] = new SuperTimeout(() => {
-            this.freshCompletedTasks = this.freshCompletedTasks.filter(tip => tip.id != task.id);
+            this.removeTaskFromFreshCompleted(task);
         }, this.persistenceTime);
     }
 
+    isFreshCompleted(task: Task): boolean {
+        return !!this.freshCompletedTasks.find(tip => tip.id == task.id);
+    }
+
+    removeTaskFromFreshCompleted(task: Task) {
+        this.freshCompletedTasks = this.freshCompletedTasks.filter(tip => tip.id != task.id);
+    }
+
+    removeTaskFromFresh(task: Task) {
+        this.removeTaskFromFreshCompleted(task);
+        this.tasksInProgress = this.tasksInProgress.filter(tip => tip.id != task.id);
+        this.tasksInWait = this.tasksInWait.filter(tip => tip.id != task.id);
+        task.hideFromMenu = true;
+
+    }
+
     private connectToServer() {
         this.keycloakService.getToken().then(token => {
             this.source = new EventSourcePolyfill(AppUtils.BACKEND_API_UPDATE_TASKS_URL, {
@@ -187,8 +205,12 @@ export class NotificationsService {
     }
 
     private createOrUpdateTask(task: Task) {
-        this.newLocalTasksQueue = this.newLocalTasksQueue.filter(t => t.id != task.id);
-        this.newLocalTasksQueue.push(task);
+        let existingTask: Task = this.newLocalTasksQueue.find(t => t.id == task.id);
+        if (existingTask) {
+            existingTask.updateWith(task);
+        } else {
+            this.newLocalTasksQueue.push(task);
+        }
         if (!this.writeLocalStorageConnection) {
             this.connectWriteSessionToLocalStorage();
         }
@@ -217,13 +239,26 @@ export class NotificationsService {
                 return task.eventType != 'downloadFile.event' || task.sessionId == this.sessionService.sessionId;
             });
         }
+        storageTasks.forEach(stTask => {
+            let existingTask: Task = this.localTasks.find(t => t.id == stTask.id);
+            if (existingTask) {
+                stTask.updateWith(existingTask);
+            }
+        });
         this.localTasks = storageTasks;
     }
 
     private updateLocalStorage() {
         this.readLocalTasks();
         let tmpTasks: Task[] = this.localTasks.filter(lt => !this.newLocalTasksQueue.find(nlt => lt.id == nlt.id));
-        tmpTasks = tmpTasks.concat(this.newLocalTasksQueue);
+        tmpTasks = tmpTasks.concat(this.newLocalTasksQueue.map(nlt => {
+            let existing: Task = this.localTasks.find(lt => lt.id == nlt.id);
+            if (existing) {
+                return existing.updateWith(nlt);
+            } else {
+                return nlt;
+            }
+        }));
         tmpTasks.sort((a, b) => (a.lastUpdate?.getTime() || a.creationDate?.getDate()) - (b.lastUpdate?.getTime() || b.creationDate?.getDate()));
         let tmpTasksStr: string = this.serializeTasks(tmpTasks);
         // check the size limit
diff --git a/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.css b/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.css
index 21fdb26196..c9c931ed7a 100644
--- a/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.css
+++ b/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.css
@@ -80,3 +80,4 @@ progress-bar >>> .text, progress-bar >>> .left-text { line-height: 14px; }
 .notif.error { color: #ff1900; }
 
 .menu-link {width: 100%; display: inline-block; }
+.remove-task { position: absolute; left: 7px; padding-top: 1px; }
diff --git a/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.html b/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.html
index 2afbe21d03..a91c0df957 100644
--- a/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.html
+++ b/shanoir-ng-front/src/app/shared/side-menu/side-menu.component.html
@@ -68,6 +68,9 @@
     <!-- *ngIf="state.jobsOpened" -->
     <div class="sub-menu jobs" [@slideDown]="state.jobsOpened" [@disapearUp]>
         <li *ngFor="let task of notificationsService.freshCompletedTasks.concat(notificationsService.tasksInProgress).concat(notificationsService.tasksInWait)" [ngSwitch]="task.eventType" [@.disabled]="task.status == 2 || task.status == 5">
+            <span class="remove-task" (click)="notificationsService.removeTaskFromFresh(task)">
+                <i class="fa-regular fa-circle-xmark"></i>
+            </span>
             <a routerLink="/task"  routerLinkActive="active">
                 <progress-bar [progress]="task.progress" [width]="50" [warning]="task.status == 5 || task.status == 3"></progress-bar>
                 <i *ngIf="task.status == 4" class="fa-solid fa-hourglass-half status-icon"></i>
diff --git a/shanoir-ng-front/src/app/shared/utils/size.pipe.ts b/shanoir-ng-front/src/app/shared/utils/size.pipe.ts
new file mode 100644
index 0000000000..80e33924b9
--- /dev/null
+++ b/shanoir-ng-front/src/app/shared/utils/size.pipe.ts
@@ -0,0 +1,30 @@
+/**
+ * Shanoir NG - Import, manage and share neuroimaging data
+ * Copyright (C) 2009-2019 Inria - https://www.inria.fr/
+ * Contact us on https://project.inria.fr/shanoir/
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/gpl-3.0.html
+ */
+
+import { Pipe, PipeTransform } from "@angular/core";
+import * as AppUtils from '../../utils/app.utils';
+
+@Pipe({
+    name: "size",
+    standalone: false
+})
+export class SizePipe implements PipeTransform {
+
+    transform(sizeInBytes: number): string {
+        if (sizeInBytes) {
+            return AppUtils.getSizeStr(sizeInBytes);
+        }
+    }
+
+}
diff --git a/shanoir-ng-front/src/app/studies/study/study.component.html b/shanoir-ng-front/src/app/studies/study/study.component.html
index 3d7fe17489..72b3b14bff 100644
--- a/shanoir-ng-front/src/app/studies/study/study.component.html
+++ b/shanoir-ng-front/src/app/studies/study/study.component.html
@@ -22,6 +22,7 @@
 					(delete) = "delete()"
 					(cancel)="goToView()"
 					(back)="goBack()">
+				<button *ngIf="mode == 'view' && hasDownloadRight && downloadService.advancedDownloadCompat" class="right-icon dl-button" type="button" (click)="downloadAll()" [disabled]="downloadState?.isActive()">Download<i class="fas fa-download"></i></button>
 			</form-footer>
 
 			<span [ngSwitch]="mode">
@@ -181,7 +182,7 @@ <h2 class="header command-zone" i18n="Create study|Title@@studyDetailCreateTitle
                                         {{ item.key }}
                                     </td>
                                     <td>
-                                        {{ storageVolumePrettyPrint(item.value) }}
+                                        {{ item.value | size }}
                                     </td>
                                 </tr>
                                 <tr *ngIf="study.totalSize > 0">
@@ -189,7 +190,7 @@ <h2 class="header command-zone" i18n="Create study|Title@@studyDetailCreateTitle
                                         Total
                                     </td>
                                     <td class="volume-storage-total" >
-                                        {{ storageVolumePrettyPrint(study.totalSize) }}
+                                        {{ study.totalSize | size }}
                                     </td>
                                 </tr>
                                 <tr *ngIf="!study.totalSize || study.totalSize == 0" >
diff --git a/shanoir-ng-front/src/app/studies/study/study.component.ts b/shanoir-ng-front/src/app/studies/study/study.component.ts
index ab78fd05f5..f083ad1e8e 100644
--- a/shanoir-ng-front/src/app/studies/study/study.component.ts
+++ b/shanoir-ng-front/src/app/studies/study/study.component.ts
@@ -11,9 +11,9 @@
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see https://www.gnu.org/licenses/gpl-3.0.html
  */
-import {Component, ElementRef, EventEmitter, Output, ViewChild} from '@angular/core';
+import { Component, ElementRef, ViewChild } from '@angular/core';
 import { AbstractControl, UntypedFormGroup, ValidationErrors, Validators } from '@angular/forms';
-import {ActivatedRoute, Router} from '@angular/router';
+import { ActivatedRoute } from '@angular/router';
 
 import { KeyValue } from "@angular/common";
 import { TaskState } from 'src/app/async-tasks/task.model';
@@ -41,12 +41,12 @@ import { SubjectService } from '../../subjects/shared/subject.service';
 import { User } from '../../users/shared/user.model';
 import { UserService } from '../../users/shared/user.service';
 import { capitalsAndUnderscoresToDisplayable } from '../../utils/app.utils';
+import { SuperPromise } from "../../utils/super-promise";
 import { StudyCenter } from '../shared/study-center.model';
 import { StudyUserRight } from '../shared/study-user-right.enum';
 import { StudyUser } from '../shared/study-user.model';
 import { Study } from '../shared/study.model';
 import { StudyService } from '../shared/study.service';
-import {SuperPromise} from "../../utils/super-promise";
 import { Selection } from './tree.service';
 
 @Component({
@@ -64,6 +64,7 @@ export class StudyComponent extends EntityComponent<Study> {
     protected pdfDownloadState: TaskState = new TaskState();
     protected duaDownloadState: TaskState = new TaskState();
     protected studyDownloadState: TaskState = new TaskState();
+    protected downloadState: TaskState = new TaskState();
 
     subjects: IdName[];
     selectedCenter: IdName;
@@ -101,9 +102,7 @@ export class StudyComponent extends EntityComponent<Study> {
             private studyRightsService: StudyRightsService,
             private studyCardService: StudyCardService,
             private accessRequestService: AccessRequestService,
-            private processingService: ExecutionDataService,
-            private downloadService: MassDownloadService
-            ) {
+            protected downloadService: MassDownloadService) {
         super(route, 'study');
         this.activeTab = 'general';
     }
@@ -151,7 +150,8 @@ export class StudyComponent extends EntityComponent<Study> {
 
     initView(): Promise<void> {
         this.studyRightsService.getMyRightsForStudy(this.id).then(rights => {
-            this.hasDownloadRight = this.keycloakService.isUserAdmin() || rights.includes(StudyUserRight.CAN_DOWNLOAD);
+            this.hasDownloadRight = this.keycloakService.isUserAdmin() 
+                || (this.keycloakService.isUserExpert() && rights.includes(StudyUserRight.CAN_DOWNLOAD));
         })
 
         this.setLabeledSizes(this.study);
@@ -508,6 +508,10 @@ export class StudyComponent extends EntityComponent<Study> {
         this.studyService.downloadProtocolFile(file, this.study.id, this.pdfDownloadState);
     }
 
+    downloadAll() {
+        this.downloadService.downloadAllByStudyId(this.study?.id, this.study.totalSize, this.downloadState);
+    }
+    
     public builFileUrl(file): string {
         return this.studyService.buildProtocolFileUrl(file, this.study.id);
     }
@@ -593,10 +597,6 @@ export class StudyComponent extends EntityComponent<Study> {
         return element.split('\\').pop().split('/').pop();
     }
 
-    public hasDownloadRights(): boolean {
-        return this.keycloakService.isUserAdmin() || this.hasDownloadRight;
-    }
-
     onTagListChange() {
       // hack : force change detection
       this.study.tags = [].concat(this.study.tags);
@@ -631,10 +631,6 @@ export class StudyComponent extends EntityComponent<Study> {
         }, 1000);
     }
 
-    storageVolumePrettyPrint(size: number) {
-        return this.studyService.storageVolumePrettyPrint(size);
-    }
-
     studyCardPolicyStr() {
         return capitalsAndUnderscoresToDisplayable(this.study.studyCardPolicy);
     }