Reg Add Hkcu Software Classes Clsid 86ca1aa034aa4e8ba50950c905bae2a2 Inprocserver32 Ve D F 2021 May 2026

reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /ve /d "C:\Program Files\MyApp\mycom.dll" /f

The command you provided is a specific Registry tweak that became widely popular around late 2021 following the release of Windows 11 (and applied to updated Windows 10 systems). It is used to restore the classic context menu (right-click menu) in Windows 11.

COM classes often need ThreadingModel. To add it: The command you provided is a specific Registry

reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /v "ThreadingModel" /t REG_SZ /d "Both" /f