Run this first or second please, then continue.
You may need to download the to a usb drive or cd and run it on the infected computer but first try to run it from the infected computer.
Please download Rkill from the following link.
Before we begin, you should disable your anti-malware softwares you have installed so they do not interfere RKill running as some anti-malware softwares detect RKill as malicious. This link will help you disable them:
Click on This Link to see a list of programs that should be disabled. The list is not all inclusive. If yours is not listed and you don't know how to disable it, please ask.
Double-click on Rkill on your desktop to run it. (If you are using Windows Vista, please right-click on it and select Run As Administrator)
A black screen will appear and then disappear. Please do not worry, that is normal. This means that the tool has been successfully executed.
If nothing happens or if the tool does not run, please let me know in your next reply.