When executed successfully, this command sets the of the InprocServer32 registry key to empty (or nothing). In a typical COM registration, the default value should contain the full filesystem path to the DLL that implements the COM class.
Alternatively, you can run these commands in sequence: taskkill /f /im explorer.exe start explorer.exe How to undo the change
HKCU\Software\Classes\CLSID\86CA1AA0-34AA-4E8B-A509-50C905BAE2A2\InprocServer32
