The only clue I have from the screenshots you sent is that:
-Either Revit is opened and locking the plugin files.
-or a Corruption in registry of Revit 2021, specifically installation path value.
The only clue I have from the screenshots you sent is that:
-Either Revit is opened and locking the plugin files.
-or a Corruption in registry of Revit 2021, specifically installation path value.