The command reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /f /ve is a widely used registry hack for Windows 11 to restore the classic Windows 10-style right-click context menu as the default.
The command targets a specific Class ID (CLSID) associated with the modern Windows 11 context menu and effectively disables it by providing an empty entry. Restore full right-click context menus in Windows 11
Backup and Research: Always back up the registry before making changes and thoroughly research the implications of any registry edit you plan to make.
reg add "HKCU\Software\Classes\CLSID\86CA1AA0-34AA-4E8B-A509-50C905BAE2A2\InprocServer32" /ve /d "C:\Windows\System32\some_legacy.dll" /f