>>I'd like to unregister a dll file but there are several copies of same in my disks and regsvr32 -u requires the exact path of dll. How do I know which one is registered in a particular machine?
>
>Hi Alex,
>
>Take a look at Re: How to verify if an OLE control is installed... Message #817905. You'll have to modify code little bit to return full dll name.

Thank you for your answer.

Della's code tries to .OpenKey("CLSID\" + aClassIDValues[1,2] + "\LocalServer32")

In my machine (WinXP) the equivalent key is "CLSID\" + aClassIDValues[1,2] + "\InprocServer32"

Do you know the reason for this?

Thanks.

Alex