Tech Support ForumDiscuss computer issues, tech gadgets and hardware, operating systems, browsers, broadband and wireless, virus, trojan, and spyware help.
Just run regedit and do a search for that DLL and see where it is located in the registry and try to understand what it is doing there and if it has to be there or not.
Reinstalling the operating system is a wimpy way out of it and you will not learn anything from it.