Now that 80% of home PCs in the U.S. are infected with adware and spyware […] it turns out that nearly every anti-adware application on the market catches less than half of the bad stuff. […]

You should install two different programs and run both of them for maximum protection. […]

Finally, the computer press often recommends that the two anti-adware products that should be used together are Ad-Aware SE Personal and Spybot Search & Destroy. […] According to Howes's data, the two programs together barely removed half the adware components on an infected PC.

Windows Secrets Killinki