In addition, it is a good idea to have some adware and spyware removers on your computers!

If you're having serious problems with spyware and viruses, you may want to visit Major Geeks.
The following link will take you to their spyware removal procedure section, here you can download spyware removal software, there is also a full blown procedure to remove troublesome spyware and viruses.

The Link:
http://forums.majorgeeks.com/showthread.php?t=35407

At the top of the page that link takes you to, there is a click-link which will take you to their support forums. If you're having persistent problems, sign-up then you can post there and get help and advice on all manner of computer issues.
Hope this helps...........
Fox