Woa, wait a second ! Not all files can be infected, so you surely won’t have to delete anything from your TC folders, except the .exe files. Although I’d wait with that as well. Also formatting will not always solve your problems, because many viruses have ways to avoid their demise, like copying themselves into the parts already formatted, ... Go to http://www.sarc.com, there you can find special virus removal tools, that are cut down to find and terminate any of those critters. You can find the most likely one, that’s spooking your pc, by reading about it’s effects on that page. Something I wouldn’t want to go online anymore is surely my trusted firewall. It keeps everything inside, that shouldn’t go anywhere else and also blocks out any unwanted stuff from the outside. There are some good freeware ones out there, like Zonealarm, or the one from Sygate. Virus programmers ? Well, what is to say about them, except that they should grow up for god’s sake ? As mawshiye said, keep the scanners updated, scan everything you downloaded and if it’s an archive, scan the files you unpacked from there as well