The best solution is prevention.
Use firefox -
Mozilla | Firefox web browser & Thunderbird email client
Get these extensions:
Adblock plus -
https://addons.mozilla.org/en-US/firefox/addon/1865
NoScript -
https://addons.mozilla.org/en-US/firefox/addon/722
CS Lite -
https://addons.mozilla.org/en-US/fir...s+lite&cat=all
This allows you to enable your normal sites, and stop others from exploiting anything. Of course, firefox isn't tied to the operating system like IE, so it's safer in that regard as well.
Use avast! antivirus, it's free for home use and has resident memory (live file) monitoring -
avast! 4 Home Edition - FREE antivirus software - Download
Adaware works too, but you hardly need it if you use the above tools.