I have a totally unremovable virus, please help quick?

i had installed some kind of software to to view vidoes and now it has embedded itself into my taskbar and gives an annoying 'critical alert' balloon that pops up like 10 times per minute, plz help me how to remove it i located the file where the software was installed and 'uninstalled' it from control panel but it wont go, i manually deleted the components remaining but a few are ot being deleted, is there a way to format just one drive like c: within your pc, i am running an avast! antivirus scan, but it hasnt returned anything even though, i update it regularly and it is quite good

I have a totally unremovable virus, please help quick?nortan

You may have caught this infection by attempting to watch a video at some website. The site said you "needed" a codec or a phony Active-X control so then you downloaded it to watch the video. This was actually a ruse. A scam if you will. It was not a codec at all. (The video would have played fine without that "Codec")! What you actually downloaded was a Trojan called "Zlob".

This trojan then "phoned home" and installed the popup saying "system alert" adware on your computer with out your knowledge.

Sorry dude, but you may have been conned.

Your computer very likely has a Smitfraud infection now, which is a very difficult one to remove. Most "all-purpose" anti-virus and anti-spyware programs (such as have been recommended to you) can only remove the original Trojan Zlob which caused the infection and not the infection itself.