How to remove spyware?

I don’t know whats wrong with my computer but recently i have a ridiculous amount of popups coming up. When I do a search on google and I click on a result I’m always redirected to another site. What are some good, free, legitimate spyware removal programs I can download?

You should use an antivirus program and antispyware software, because your computer is now infected with viruses and/or spyware.
Here you have more information on computer security, as well as good and free programs that you can download into your computer:
The website list top ten the best and newest anti-spyware in 2009.

http://toptenantispyware.com/

All are safe and can be trusted and you can download one.

Total Security 2009 removal information