Virus Protection

      http://housecall.trendmicro.com - Free online virus scanner
      http://www.symantec.com - Norton Antivirus
      http://www.grisoft.com - AVG (free version available)
      http://www.pandasoftware.com - Panda
 

      Network/Wireless Security

      http://csrc.nist.gov/publications/nistpubs/800-48/NIST_SP_800-48.pdf
 

      Miscellaneous

      http://www.WinFiles.com - Windows shareware on the Internet
      http://www.driverzone.com - Hard-to-find device drivers for any operating system
      http://www.danworld.com - The Download Planet       

      
      Microsoft

       http://support.microsoft.com - Support Website

      
      News

      http://news.zdnet.com
      http://news.com.com