Computer related resources on the internet.

Networking.

• J.Helmig's World of Windows Networking
  Excellent Tutorial how to properly set up a small company LAN.

Registry Hacking/
Troubleshooting.

• Adrian's The Definitive BIOS Optimization Guide
  Understand your BIOS settings.

• JSI, Inc.
  Windows NT/2000 Tips, Tricks, Registry Hacks and more...

• Error Messages
  Having trouble to understand an error message? This page lists the exact wording of hundreds of common error messages, along with links to help correcting the errors.

• The Elder Geek on Windows XP
  This site is for power users and network administrators looking to get the most out of Windows XP. There are tips and solutions for newbies and geeks alike. There is an extensive forum where you can talk to informed users.

• Trinity Rescue Kit
  A Linux distribution on a bootable CD-ROM that contains everything you need to rescue or repair dead or damaged Linux or Windows systems. It's a free download based on the Mandrake 9.1 binaries.
  
  The Trinity Rescue Kit can access disks with the NTFS file system.
  
  There is an informative article in NTfaq.

Security.

• BrowserSpy
  BrowserSpy can tell you all kinds of detailed information about you and your browser.

• Counterexploitation
  Learn about spyware that might bee installed on your computer as well as how to defend your computer.

• ExtremeTech/Syscheck
  A clearinghouse of sites, software, and services that test your browser, your system, or your network for security flaws and vulnerabilities.

• FireHole
  Show you how your browser can be hijacked to send data out of the system without the user's knowledge.

• IE-SPYAD: Restricted Sites List for Internet Explorer
  IE-SPYAD adds a long list of sites and domains associated with known advertisers, marketers, and crapware pushers to the Restricted sites zone of Internet Explorer. Once you merge this list of sites and domains into the Registry, the web sites for these companies will not be able to use cookies, ActiveX controls, Java applets, or scripting to compromise your privacy or your PC while you surf the Net. Nor will they be able to use your browser to push unwanted pop-ups, cookies, or auto-installing programs on your PC.

• Merijn.org
  A student from the Netherlands that codes in his free time, especially CWShredder and HijackThis have become quite popular.
  If you just need help with some piece of (suspected) spyware/foistware, or want someone to take a look at your HijackThis logfile there are liks to forums on this site.

• PC Flank's
  An excellent variety of site-based scans.

• Security Focus
  Firewalls For Beginners.
  Online primer for novice firewall users.

• Shields UP!
  Internet Connection Security for Windows Users.

• TooLeaky
  Demonstrates that Windows' piping ability--one program invokes another with parameters--is a huge hole for personal firewalls.