Windows Tools & Utilities

AVG Antivirus, AntiSpyware, etc. by Grisoft

Win Patrol - Scotty Dog

Spybot - Search & Destroy

Mike Lins Startup Control Panel

Sysinternals - Source of many useful utilities

Ad-Aware 2007 Free

Sandboxie - runs your programs in an isolated space which prevents them from making permanent changes to other programs and data in your computer.