Annoying Virus!

I reformatted my PC yesterday and the virus is still there!!! Waaahhhhh!!! I am so dead! I need to get a new anti virus who is strong enough to remove tht damn virus in this computer! I am so annoyed already!!!!! And I also need to clean p my D:// because it is full already. Waaahhhh!! I have a lot of things to do!!! Grrrr!!!