ZoneAlarm
A little late on this posting, but anyways… If you are still without an internet connection and use ZoneAlarm as your firewall, please see the following news item from ZoneAlarm.
Microsoft Update KB951748 is known to cause loss of internet access for ZoneAlarm users on Windows XP/2000. Windows Vista users are not affected.
Microsoft Update KB951748 – Workaround to Sudden Loss of Internet Access Problem
If you are not interested to read the full article, here’s how to fix this issue.
- Stop ZoneAlarm by right clicking the system tray icon and selecting “Shutdown ZoneAlarm”
- Download and install the latest free version here. If you don’t use the free version, please visit ZoneAlarm.com and download the appropriate software.
- Restart your computer when prompted and your internet connection should be fixed.
