HELP me please!

ok my computer is jacked up and idk what to do. First when i log in none of my desktop icons are showing neither is my toolbar, i read that to get it to show i do the alt+ctrl+del and start new program and type "Explorer.exe" and that got it to show up but now alot of my stuff doesnt work, such as World of Warcraft, Call of duty 4 multiplayer, call of duty 2 multiplayer,2 moons, even paint doesnt work , ventrillo, warrock, but somethings do work, such as cod2/4 singleplayer, WarcraftIII: The Frozen Throne, windows movie maker, and of course internet, i really want to play my games again and what not and am willing to tank any suggestions! ty :]

Hi there, Your paint problem may be due to it not being installed correctly. If you go to control panel, add remove Xp programs, you can install paint there. (just make sure you tick the box) and install it. I would need more info before i can try and help with the rest. Thanks and good luck, 'Bob

Hello,
It sounds like you are infected.
Please start here.
If you still have issues after a mal-ware expert gives you a clean bill of health please post back here.