• Check Microsoft's web site at http://www.microsoft.com/security/default.asp for any new security fixes.

To determine the version of Windows you are using:

• Click on "Start"
• Click on "Settings"
• Click on "Control Panel"
• Double click on the "System" icon
• The version should be listed under Microsoft Windows.

All Windows Versions:

• Check the Windows updates page for any updates that apply to your system.

All Windows 95 versions:

• Regclean is designed to clean up unnecessary registry entries. Security fixes for a couple common attacks
  • Out-of-Band attacks go to the Microsoft search page and look for "Update to Windows 95 TCP/IP to Address Out-of-Band Issue".
  • Corrupted Internet Control Message Protocol (ICMP) datagram fragment attacks goto the Microsoft search page and look for "Invalid ICMP Datagram Fragments Hang Windows NT, Windows 95".

Windows NT:

• Users should make sure they have the most recent Service Pack for NT installed.
• We also recommend installing any of the Microsoft Hot Fixes that apply to your computer.
• Make sure to install all the security updates that apply to your computer to help prevent remote users from crashing your system over an Internet connection.