I’d say that this looks like it translates to: System.Security.Cryptography.CryptographicException: Key not valid for use in specified state
The solution for that part is described here: https://docs.mendix.com/howto/collaboration-requirements-management/troubleshoot-version-control-issues/#25-getting-an-error-with-the-message-systemsecuritycryptographycryptographicexception-key-not-valid-for-use-in-specified-state:
Follow these steps to remove your user settings and restart Studio Pro:
As a side note, AppData is a hidden folder, so you should check the “hidden items” check box in your Explorer: