Do I need a removal tool for Kaspersky Anti virus?

Not normally but there is one if you need it

http://support.kaspersky.com/faq/?qid=208279463

2

Kaspersky Uninstall Tool

32BIT

http://support.kaspersky.com/faq/?qid=208279744

64BIT

http://support.kaspersky.com/faq/?qid=208279463

Ultimate List of Uninstallers

http://thewebatom.net/uninstallers/security-softwa...

Bad idea...  AVG is rubbish.  If you want a decent freeware antivirus, then get Avira, MSE (Microsoft Security Essentials) or Avast.  Others are too system resource hungry, have lower detection rates, and will slow your system down.

http://www.free-av.com/

http://www.microsoft.com/security_essentials/

http://www.avast.com/

Check out a simple comparison here:  http://www.techsupportalert.com/content/top-freewa...   or more comprehensive comparisons here:  http://www.av-comparatives.org/