Download and install Spybot
http://www.download.com/Spybot-Search-Destroy/3000-8022_4-10122137.html
Launch Spybot
If you get these three boxes, check the Do not boxes after you read the messages.
You will now see this window. We will be using the bar on the left. Start at the bottom and work your way to the top.
First click on Update
Now click on Search for Updates
Check the box next to any updates that appear.
Now click Download Updates.
Now click Immunize on the left bar.
Now click OK
If you need to Immunize click Immunize
Now click Recovery on the left bar
If there are any programs listed that you want to keep, check them and click recover, otherwise check them and click Purge selected items
Now click Search & Destroy and click on Check for problems
Spybot will check all the files on your computer
If you get this message you are done!
If Spybot finds a problem check the box next to the problem and click Fix selected problems
Click Yes
Click OK.. and you are done!
Buzz me if you get stuck!