Fix Lost of Internet Access After Installing KB951748 on Windows XP/2000 System with ZoneAlarm with Version 7.0.483.000

On Windows XP or Windows 2000 PC system with one ZoneAlarm security product installed, user may experience sudden lost of Internet connection and web access after installing KB951748 update, which also known as MS08-037.

KB951478 is a security update for DNS in Windows Server 2003, Windows XP, and Windows 2000 Server (client side). The hotfix or patch makes a major change to the way the operating system handles DNS requests by implementing and enabling source port randomization. The technology prevents and thwarts the ability for hackers with malicious intent to craft or spoof DNS responses by scrambling the address from which a request is placed. The precaution stops the possibility of cache poisoning of DNS servers exploit.

The sudden loss of Internet connectivity error happens with most ZoneAlarm products, including ZoneAlarm Free, ZoneAlarm Pro, ZoneAlarm AntiVirus, ZoneAlarm Anti-Spyware, and ZoneAlarm Security Suite.

As the KB951478 is a very high priority and recommended hotfix (should consider as mandatory), uninstall KB951478 is not a good choice. The fix and resolution is to install the latest and updated versions of Zone Alarm products released by Check Point ZoneAlarm. Check Point ZoneAlarm releases a patch version of 7.0.483.000 to resolve the no Internet access issue with KB951478 update installed. Any version of ZoneAlarm products version 7.0.483.000 or later will be able to work properly.

Download and install the latest versions which solve the loss of internet access problem. The direct download link to v7.0.483.000 is listed here (English only):

ZoneAlarm Internet Security Suite
ZoneAlarm Pro
ZoneAlarm Antivirus
ZoneAlarm Anti-Spyware
ZoneAlarm Basic Firewall

This entry was posted on Thursday, July 17th, 2008 at 2:00 am and is filed under Security. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

3 Responses to “Fix Lost of Internet Access After Installing KB951748 on Windows XP/2000 System with ZoneAlarm with Version 7.0.483.000”

  1. Mirela
    November 27th, 2008 00:17
    3

    And what if there’s no ZA installed on the system (at all) and the problem is still there? :(

  2. Annie
    July 18th, 2008 12:29
    2

    thanks man

  3. defo
    July 17th, 2008 17:46
    1

    Set ZA Security to Medium instead of High and download one of the older versions, 6.1 or 5.5 which work with the MS update. Can be found at Oldversion or Oldapps.

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