Using the Windows command prompt to register / unregister DLLs using regsvr32 isn't much fun. These steps will allow you to do this from Windows Explorer: Create a shortcut to regsvr32.exe and place it in your SendTo folder (e. g., C:\Documents and Settings\Administrator\Send... Create a similar shortcut in SendTo and add -u to the end of Target: The shortcuts will appear on your SendTo menu, just point at a DLL / OCX and Sent To register or unregister! For another approach to this see http://blogs.technet.com/jh...