Forgot your password?
Tips for Windows here.
How to secure your system, how to enable a firewall, how to keep hackers away - post here.
How to fix problems with spyware, using Ad-Aware, Spybot Search & Destroy, hijackthis and so on. Post your problems here.
How do I do this in Windows?
Windows XP stuff.
Anything related to Vista, formally called Longhorn.
Discussion about virtualization technology for Windows.