Just in case anyone missed it, here's the link for your friends who have been knocked off the 'net by this. A perfect example of why I turned off automatic updates and wait for the forums to tell me an update is o.k. to install. I've helped a few friends overcome this one because they were knocked off the 'net before they got this email from Zone Alarm.
IMPORTANT NOTICE TO ZONEALARM CUSTOMERS
Dear Customer,
Installation of Microsoft Update KB951748 may result in loss of Internet connectivity.
Click here for more information on how to resolve this issue:
http://download.zonealarm.com/....html
We apologize for any inconvenience this may have caused.
Thank you,
ZoneAlarm