Spybot blocks pages silently.
Did you immunize youe system?
I usually use
CW Shredder first then
Spybot S & D then
Ad Aware.
I also use SpyWare Blaster. It also blocks Spyware from getting into your computer.
Then about once a month I go to
http://www.pandasoftware.com/activescan/
and do an online scan. You'll be surprised with the results.
Also try the free scanning items at the website listed below
http://housecall.trendmicro.com/
Hope this helps
I regularly use these two to scan my computer, especially before I do any internet banking. AdAware always seem to find something, whereas Spybot doesn't always (gives me "Congratulations, no Spyware found!"), especially since updating to version 1.4. I've scanned with AdAware RIGHT AFTER Spybot, and it found things. Is Spybot not as thorough as AdAware, or is AdAware too sensitive? Are they scanning for different things, that one considers a threat, while the other one doesn't? Just curious what other's experience.
Thanks!

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic