How to remove ad ware and spy ware from computer?

On ie and mozilla pop ups keep coming up and i don't like them coming up every few minutes, and i have made sure that the pop up blocker is on and working but it doesn't seem to help at all. Can anyone help me on how to remove adware and spyware from my compuer,preferebly a program that it free.

Because the pop ups are so annoying any help or advice thanx

How to remove ad ware and spy ware from computer?matchless

You are infected with spyware if:

* You see too much pop-up advertisements.

* Your browser has toolbars that you haven't installed.

* Your homepage has changed (and you can't change it back).

* Other settings have changed without your permission.

* Your computer is slow.

To get rid of spyware and keep your computer clean you can use an antispyware or even more.

You can download a antispyware software. There are 10 good anti-spywares.

here is the reviews: http://topten-reviews.info/

You can download one and scan your system.

All are safe and can be trusted.

How to remove ad ware and spy ware from computer?norton 2008

Your PC is infected. A pop up blocker wont help a PC that is already infected.

Scan your PC with this free.

http://www.superantispyware.com

After you use the above, then use this.

ewido.

Go to the left of the page where it says,"Scan your computer now online

and clean it for free!"

http://www.ewido.net/en/