help!

hey guys wattup?just wanted to ask if anyone knew how i could get rid of trojans and other spyware i got shit loads on my PC and been downloading programs but havnt been able to find a good program tht gets rid of it..all good programs do not have cracks online they all use online registration... i do not want to format my HD is there any other way?

Go here http://www.pandasoftware.com/activescan to start the free online scan from Panda Software.
Secondly search for Ewidos antivirus online, install and update it and keep it running in the background. It is one of the best antivirus software.