Free Anti-Spyware Programs:

Ad-Aware SE Personal by Lavasoft: Provides advanced protection against spyware that secretly attaches and takes control of your computer, resulting in aggressive advertising pop-ups, sluggish computer activity, even identify theft through stolen bank details, passwords, and credit card account numbers.

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AVG’s Free Spyware A popular free Anti-Spyware solution by AVG. Protects you against spyware, adware and identity-theft.