If your PC has Just attacked by Trojan virus or spyware, and your Computer System is giving you worries, just remove the Trojan virus or spyware from your PC by “Restoring” your pc, without using anti-Trogan or anti-spyware.
After restoring your PC, your computer will go in past, and every traces of Trojan virus or spyware will be removed from your PC.
To restore your PC just go at- Start > All Programs > Accessories > System Tools> System Restore.
After doing this, choose the latest backup of your system. Your problem gone!
Remember that system restoring is totally safe for your computer system, you will not loose any current files of your system.