I downlouded limewire of there site www.limewire.com. But for some sptange reason as soon as i downlouded the file went missing. firefox didnt find nor did i manualy. Aavst didnt find anything adware tured up only harlmless cookies.
Sounds to me like you saved the limewire.exe to a location you dont remember lol. You don't have a virus, just go to Start-Search and run a search for the exe. Limewire is full of malware and is heavily tracked by anti-p2p companies, you should actually be happy you can't locate the exe!