Unregistering a COM dll using regsvr32

I've registered a COM dll using the regsvr32 command and I forgot the exact location of the assembly from where I did it. Now I'm facing trouble to unregister the dll. How I can unregister it? I tried using the /u switch from other locations of the assembly but that's not worki开发者_如何学编程ng.. the asp application is still using the assembly successfully.

Use this for getting path: http://support.softartisans.com/kbview_1294.aspx

Open command prompt with admin privilege and type:

regsvr32 -u dll name