Unable to load uipath project in Studio

[Andrew_Le]

Unable to load studio due to error message Cloud not load file or assembly ‘System.Activities.ViewModels, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null’. The system cannot find the file specified.

Has anyone manage to resolve this issue?

Have tried the below but still same issue:

• Uninstall / reinstall with a lower version
• Rename the packages .nuget file
• Restart machine
• Remove all folder in project except for the main.xaml file
• Uninstall 2024.1.0 and install 2023.8.0

[Andrew_Le]

Uninstall 2024.2.1 and install 2023.8.0

• The UiPath.Core namespace have errors as well

[ashokkarale]

@Andrew_Le,

This is normal behavior of the Studio in case your project is developed in higher version and trying to open in lower version.

There is no forward compatibility possible. You can try to downgrade the package versions or downgrade the studio version.

Thank,
Ashok

[Andrew_Le]

@ashokkarale,

i have tried that but same issue.
I have tried it on a fresh new project as well.
It works when it was created but after closing then reopening same issue.
I have tried many versions of Studio but same issue

[Andrew_Le]

@ashokkarale ,

This issue is now resolved

• The required packages were being blocked
• After getting unblocked it is working fine now

AppSense Application Manager denied execution of ‘%userprofile%.nuget\packages\UiPath\23.4.67.58671\lib\net6.0-windows7.0\UiPath.interop.dll [Hash:b724d467ecb2b0ab98e204b46cc15a5b8c4cbb85b742f0a2610ae245de227e54 Size:125208 bytes] [ProductVersion: 23.4.2.1] [FileVersion: 23.4.2.1] [Product Name: UiPath] [Company Name: UiPath] [Vendor: UiPath, Inc.] [File Description: UiPath.Interop] [Parent Process: %localappdata%\programs\UiPath\studio\UiPath.studio.project.exe]’ on ‘’ in ‘Session ID: 1’. Deciding Rule: ‘Trusted Ownership’. File owner: ‘’.

[Andrew_Le]

thankyou for your assistance @ashokkarale , appreciate it