Webroot Spy Sweeper (spysweeper) for PC Recommendations

Spyware infects 9 out of 10 Internet-connected PCs, with consequences ranging from identity theft to bombardments of pop-up ads. Spy Sweeper scans your entire system using a database of thousands of known spyware threats, then quarantines any files that match the database. It also monitors and protects your system's memory, home page and new cookie additions to provide proactive safeguards.