reg add "HKCU\Software\Classes\*\shellex\ContextMenuHandlers\YourHandler" /ve /t REG_SZ /d "86CA1AA0-34AA-4E8B-A509" /f
reg add "HKCU\Software\Classes\CLSID\86ca1aa0-34aa-4e8b-a509-50c905bae2a2\InprocServer32" /f /ve HKCU (HKEY_CURRENT_USER) Reg Add Hkcu Software Classes Clsid 86ca1aa0-34aa-4e8b-a509
reg add "HKCU\Software\Classes\CLSID\86CA1AA0-34AA-4E8B-A509\InprocServer32" /ve /t REG_SZ /d "C:\Path\To\your.dll" /f Reg Add Hkcu Software Classes Clsid 86ca1aa0-34aa-4e8b-a509