Original: https://www.explainingcomputers.com/sample_code/Win11_Context_Menu_Fix.txt
Open the registry editor (eg by pressing Windows + R and entering regedit)
Navigate to: HKEY_CURRENT_USER\Software\Classes
Right-click CLSID and select Key from the menu to create a new key named {86ca1aa0-34aa-4e8b-a509-50c905bae2a2}
Right click the new key and select Key from the menu to create a second new key inside the first, and name this InprocServer32
Expand InprocServer32 and double-click on Default in the right-hand pane.
In the resultant Edit String window, do not change anything and just click on OK.
Close the registry editor and reboot.