That messy string— 86ca1aa0... —is a small act of digital archaeology. It represents how Windows maintains backward compatibility not through magic, but through explicit, human-readable (if arcane) configuration keys.
This means the parent key doesn’t exist. You may need to create it first (though reg add creates intermediate keys by default if using /f ). That messy string— 86ca1aa0
reg export hkcu\software\classes\clsid\86ca1aa0-34aa-4e8b-a509-50c905bae2a2 backup.reg but through explicit
If you want the classic, expanded menu back by default, you can use a simple Registry tweak. It creates a "blank" InprocServer32 key that tells Windows to skip the new UI and go straight to the legacy version. expanded menu back by default