proper meson error when problem of version

meson.build

@@ -194,12 +194,18 @@ if plat == 'win' and host_machine.cpu_family().startswith('x86')
         check: true,
     )
 
+    foreach lib : dlls
+        if not fs.exists(lib)
+            error(f'''
+            File "@lib@" does not exist.
+            Please try to delete "prebuilt_downloads/", "prebuilt-x64/" and "prebuilt-x86/" directories, and retry the installation.
+            ''')
+        endif
+    endforeach
+
     # put dlls in root of install
-    try
-        install_data(dlls, install_dir: pg_dir, install_tag: 'pg-tag')
-    catch(e)
-        error(e.message + '\n' + 'Please try to delete "prebuilt_downloads/", "prebuilt-x64/" and "prebuilt-x86/" directories and retry the installation.')
-    endtry
+    install_data(dlls, install_dir: pg_dir, install_tag: 'pg-tag')
+
 else
     bases = ['/usr/local', '/usr', '/opt/homebrew', '/opt/local']
     foreach inc_dir : bases