ZoneAlarm® Release History

The latest ZoneAlarm release is 8.0.298.000.

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Note: these notes also apply to ZoneAlarm Pro, ZoneAlarm AntiVirus and ZoneAlarm (free firewall) when applicable. For example, improvements to anti-spyware do not apply to our AntiVirus product, but do apply to Suite and Pro that both include anti-spyware features.

Release History:

  • 8.0 Branch Vista and XP

    8.0.298.000 was released to the public on March 23, 2009. For changes in this version, click here. To download this version, click here.

    8.0.065.000 was released to the public on January 4, 2008. To download this version, click here.

  • 7.0 Branch

    7.0.483.000 was released to the public on July 10, 2008. For changes in this version, click here. To download this version, click here.

    7.0.473.000 was released to the public on April 22, 2008. For changes in this version, click here. To download this version, click here.

    7.0.470.000 was released to the public on March 20, 2008. For changes in this version, click here. To download this version, click here.

    7.0.462.000 was released to the public on December 14, 2007. For changes in this version, click here. To download this version, click here.

    7.0.408.000 was released to the public on September 12, 2007. For changes in this version, click here. To download this version, click here.

    7.0.362.000 was released to the public on July 3, 2007. For changes in this version, click here. To download this version, click here.

    7.0.337.000 was released to the public on March 15, 2007. For changes in this version, click here. To download this version, click here.

    7.0.302.000 was released to the public on January 15, 2007. For changes in this version, click here.

  • 6.5 Branch

    6.5.737.000 was released to the public on August 31, 2006. To download this version, click here.

    6.5.731.000 was released to the public on July 20, 2006.

    6.5.714.000 was released to the public on June 15, 2006. For changes in this version, click here.

    6.5.700.000 was released to the public on June 5, 2006. For changes in this version, click here.

  • 6.1 Branch

    6.1.744.001 was released to the public on March 27, 2006. For changes in this version, click here. To download this version, click here.

    6.1.744.000 was released to the public on March 1, 2006. For changes in this version, click here.

    6.1.737.000 was released to the public on November 22, 2005. For changes in this version, click here.
  • 6.0 Branch

    6.0.667.000 was released to the public on September 6, 2005. For changes in this version, click here. To download this version, click here.
    6.0.631.003 was released to the public on July 27, 2005. For changes in this version, click here.

    6.0.631.002 was released to the public on July 21, 2005. For changes in this version, click here.

  • 5.5 Branch

    5.5.094.000 was released to the public on April 26, 2005. For changes in this version, click here. To download this version, click here.

    5.5.062.011 was released to the public on February 10, 2005. For changes in this version, click here.

    5.5.062.004 was released to the public on December 2, 2004. For changes in this version, click here.

    5.5.062.000 was released to the public on November 8, 2004. For changes in this version, click here.

  • 5.1 Branch

    5.1.033.000 was released to the public on September 30, 2004. For changes in this version, click here. To download this version, click here.

    5.1.011 was released to the public on July 29, 2004. For changes in this version, click here.

  • 5.0 Branch

    5.0.590.043 was released to the public on June 21, 2004. For changes in this version, click here.

    5.0.590.015 was released to the public on May 24, 2004. For changes in this version, click here.

  • 4.5 Branch

    4.5.594.000 was released to the public on April 12, 2004. For changes in this version, click here. To download this version, click here.

    4.5.538.001 was released to the public February 18, 2004. For changes in this version, click here.

    4.5.538.0 was released to the public December 19, 2003. For changes in this version, click here.

    4.5.530.0 was released to the public November 18, 2003. For changes in this version, click here.
  • 3.7 Branch

    3.7.211 was released to the public September 11, 2003. For changes in this version, click here.

    3.7.202 was released to the public July 22, 2003. For changes in this version, click here.

    3.7.193 was released to the public July 1, 2003. For changes in this version, click here.

    3.7.159 was released to the public March 31, 2003. For changes in this version, click here.

    3.7.143 was released to the public March 20, 2003. For changes in this version, click here.

    3.7.098 was released to the public February 24, 2003. For changes in this version, click here.

  • 3.1 Branch

    3.1.395 was released to the public September 19, 2002. For changes in this version, click here.

    3.1.291 was released to the public incrementally beginning July 23, 2002. For changes in this version, click here.

  • 2.6 Branch

    2.6.362 was released to the public on November 29, 2001. For changes in this version, click here.

    2.6.357 was released to the public on October 10, 2001. For changes in this version, click here.

    2.6.231 was released to the public on August 1, 2001.

    2.6.088 was the first public release of the 2.6 branch. It was released beginning May 1, 2001. It contained major updates from the 2.1 branch, detailed in the "new features" section below.


  • 2.1 Branch

    2.1.44 was the last version of the 2.1 branch and was first released to the public October 19, 2000.

ZoneAlarm version 8.0.298.000

  • Vista 64-bit compatible
  • Improved performance during computer startup, shutdown and operation
  • Addressed specific stability and quality issues
  • SmartDefense Advisor (automatic program configuration service) improved to provide more secure, quieter operation

ZoneAlarm version 7.0.483.000

  • Compatibility with Microsoft Update KB951748 has been fixed

ZoneAlarm version 7.0.473.000

  • Compatibility improvements:
    • Fixed compatibility issue with public beta of ForceField
  • Other improvements:
    • Various stability improvements.

ZoneAlarm version 7.0.470.000

  • Usability improvements:
    • Fixed the issue where in some cases the client would “lose” settings, causing user to respond to alerts that otherwise would not appear
    • Prevent unnecessary error dialog to be displayed for non-Admin users
    • Client can now be started in safe mode (with networking only) for antivirus scan and removal
  • Compatibility improvements:
    • Enable content filtering and privacy when ForceField is active
    • Fixed the Spy Doctor Gate to only gate for 5.0 and earlier
    • Free ZoneAlarm firewall and ZoneAlarm Pro can now co-exist with Kaspersky AV
  • Various other stability and performance improvements

ZoneAlarm version 7.0.462.000

  • Performance improvements:
    • Improved system boot time
  • Compatibility improvements:
    • Verified compatibility with Windows XP SP3
    • Fixed compatibility issue with Intuit Software
  • Stability improvements:
    • Fixed occasional crashes in vsmon
    • Fixed occasional hangs during shutdown
    • Fixed various install and upgrade issues
  • Compatibility:
    • Fixed compatibility issue with Intuit Software
  • New Features:
    • Added Global Reset-to-Default feature (invoked via Ctrl+Shift+right click on ZA icon in system tray).
    • Added optional Spy Blocker toolbar for IE and Firefox which blocks spyware distribution sites and offers convenient search functionality
  • Various other fixes and improvements

ZoneAlarm version 7.0.362.000

  • Stability and performance enhancements: Various improvements.
  • Compatibility enhancements: Works with Netflix's Downloading service.

New and improved ZoneAlarm version 7.0.337.000

  • Removed Google Desktop installation warning
  • Some rare reports of crashing have been isolated and addressed
  • Formatting and translation improvements on non-English products
  • Various other fixes

New and improved ZoneAlarm version 7.0.302.000

  • Product set-up process has been redesigned and shortened.
  • The UI has been refreshed, with new ZoneAlarm/Check Point branding.

New and improved features in ZoneAlarm version 6.5.714.000

  • Fixed - In some instances rundll32 takes ~90-99% CPU
  • Fixed -Service stability issue

New and improved features in ZoneAlarm version 6.5.700.000

  • Game mode: Right-mouse click control to stop alerts from interrupting game play.
  • Addresses inability to delete ZoneAlarm files in Safe Mode.
  • Addressed incompatibility with Red Orchestra Game.
  • Fixed a service stability issue.
  • Reduced memory usage during Anti-Spyware scan.
  • Improved Boot time.
  • Various other fixes.

New and improved features in ZoneAlarm version 6.1.744.001

  • Fixed - Local escalation of privileges issue (For more details please click here)

New and improved features in ZoneAlarm version 6.1.744.000

  • Fixed - Service stability issue
  • Fixed - Communicate with the centralized server issue
  • Fixed - Overlapped text in support and update information
  • Fixed - Various other bug fixes

New and improved features in ZoneAlarm version 6.1.737.000

  • Fixed - Compatibility issues with Adaptec USB driver
  • Fixed - Nortel VPN can not connect
  • Fixed - Compatibility issue when System Mechanic Startup Guard is enabled
  • Fixed - PdaNet can't connect
  • Fixed - VSNET 2003 issues
  • Fixed - TrueVector application error in event viewer log
  • Fixed - High vsmon CPU usage
  • Fixed - "Deny" Button in program alert pushed off the edge
  • Fixed - Icons lost in program list after upgrade
  • Fixed - PC Cillin 2006 issue
  • Fixed - System stability issues
  • Fixed - Various other bug fixes


New and improved features in ZoneAlarm Antivirus version 6.0.667.000

  • Fixed - POP email not working when co-existing with NAV
  • Fixed - Free ZA blocking some Remote access software from accessing ZA Alert notifications
  • Fixed - Propel compatibility issue
  • Fixed - Multiple 'loopback' entries in firewall zones after upgrade


New and improved features in ZoneAlarm Antivirus version 6.0.631.003

  • Fixed network detection issue.

New and improved features in ZoneAlarm version 6.0.631.002

  • Routine maintenance items

New and improved features in ZoneAlarm version 5.5.094.000

  • Fixed Safenet issue
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.5.062.011

  • Fixed IPC instability issue
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.5.062.004

  • Fixed Microsoft Security Center Firewall/AV Status issue
  • Fixed more system stability issues
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.5.062.000

  • Added additional information to the About dialog
  • Fixed Ghost client cannot connect to Ghostcast server issue
  • Fixed Microsoft Flight Simulator multiuser issue
  • Fixed yEnc encoded download issue with newsreaders
  • Fixed conflict with HP Photosmart printer at startup issue
  • Fixed MailSafe will rename files download via news readers issue
  • Fixed MailSafe issues where unsupported extensions where renamed
  • Fixed Hidden and Dangerous 2 game issues
  • Fixed Tiger Wood PGA Tour won't be able to connect over LAN issue
  • Fixed DirectX 9.0 issue
  • Fixed compatibility issue with PC-cillin 2004
  • Fixed incorrect Changed Program alert
  • Fixed issue with ipconfig /renew hanging
  • Fixed blocked internet access during Configuration Wizard issue
  • Fixed more system stability issues
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.1.033.000

  • Fixed installation issue on 64 bit machines with 32-bit OS
  • Fixed PC-Cillin 2004 compatibility issues

New and improved features in ZoneAlarm version 5.1.011

  • Added Microsoft Security Center support
  • Added support for Microsoft SP2
  • Fixed Internet Explorer browsing issues
  • Fixed IIS FTP Server issues
  • Fixed Visual Studio2002/2003 with IIS issues
  • Fixed AOL Browser issues
  • Fixed check for update issues (proxy configuration detection)
  • Fixed issues with checkdisk
  • Fixed more system stability issues
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.0.590.043

  • Fixed Norton AV e-mail scanning issue
  • Fixed issue with SSH timout
  • Fixed installation issue with McAfee Security Center
  • Fixed system stability issues
  • Routine maintenance items

New and improved features in ZoneAlarm version 5.0.590.015

  • Antivirus Monitoring - Helps manage other security solutions by alerting you when your antivirus protection (even from another vendor) has been disabled or is out of date
  • Alert Viewer - New Alert viewer functionality organizes log details by feature category
  • Various other enhancements for increased reliability of operation

New and improved features in ZoneAlarm version 4.5.594.000

  • Routine maintenance items

New and improved features in ZoneAlarm version 4.5.538.001:

  • Fixed security issue in SMTP processing

New and improved features in ZoneAlarm version 4.5.538.0:

  • Added a manual check for update option
  • Fixed compatibility issues with 3rd party vendors
  • Various other enhancements for increased reliability of operation

New and improved features in ZoneAlarm version 4.5.530.0:

  • Host file lock - prevents host file tampering that sends users to spoofed web sites
  • Build in instant conversion to a ZoneAlarm Pro trial and back without additonal download
  • Routine maintenance items
  • eBay online fraud protection

New and improved features in ZoneAlarm version 3.7.211:

  • Addresses a compatibility issue for users running eTrust EZ Antivirus
  • Added functionality to defeat Device Driver Attack
  • Routine maintenance items

New and improved features in ZoneAlarm version 3.7.202:

  • Added functionality to defeat so-called "shell exploit"

New and improved features in ZoneAlarm version 3.7.193:

  • Fixed issue with Windows 2000 and not network connection
  • Routine maintenance items

New and improved features in ZoneAlarm version 3.7.159:

  • Maintenance bug fixes

New and improved features in ZoneAlarm version 3.7.143:

  • Maintenance bug fixes
  • Compatible with the upcoming 2003 server

New and improved features in ZoneAlarm version 3.7.098:

  • Advanced Hardening of Operating System & NetworkVulnerabilities
  • Dynamic Panel loading
  • Improved Installer
  • Addresses a compatibility issue for users running Win 98 and AOL
  • Fixed issue regarding triggering of dial-up

New and improved features in ZoneAlarm version 3.1.395:

  • Improved interoperability with proxy server applications
  • Improved user interface with new maximize/minimize button

New and improved features in ZoneAlarm version 3.1.291:

  • All-new, easy-to-use interface gets new users up and running fast
  • New in-client logging with log filtering, sorting and real-time analysis
  • Our multi-layer protection system makes you safe from inbound and outbound threats
  • Basic MailSafe e-mail protection protects you from .VBS email viruses
  • Context-sensitive help system, quick-start tutorial, quick-reference text column, and new security overview panel
  • All new AlertAdvisor with instant security advice from the experts at Zone Labs so you never face security threats alone!*
  • Zone management area lets you easily share files with computers and networks you trust while simultaneously blocking everyone else
  • Active network indicator tells you what computers and networks you're trusting

New and improved features in ZoneAlarm version 2.6.362:

  • Support for AOL 7 browser
  • Improved operability on the XP platform
  • Other enhancements for improved operation

New and improved features in ZoneAlarm version 2.6.357:

  • Improved program alert advice to give users information and advice for every program alert they receive
  • Improved firewall alert advice to give users information and advice for every firewall alert they receive
  • This release supports Windows XP and upgrading from previous Windows versions to Windows XP. When upgrading ZoneAlarm is migrated to the new operating system as well
  • This release includes improvements to the method of saving program settings and configurations for increased reliability and stability
  • Various other enhancements for increased reliability of operation

New and improved features in ZoneAlarm version 2.6.231:

  • Three intermittent Win Me issues addressed
  • Addresses access permission memory issues
  • MailSafe improvements to better handle attachments of long file names
  • Improved enforcement of ZoneAlarm permissions
  • Addresses FTP issues
  • Fix for intermittent failure of "bytes sent" information
  • Addresses cases of limited interoperability with 3rd-party software including Norton firewall products
  • Fixes issue with ZoneAlarm deskband
  • Fixes rare cases of Microsoft IE browser failure
  • Various other enhancements for increased reliability of operation

New and improved features in ZoneAlarm version 2.6:

  • Getting-Started Tutorial clearly explains controls and alerts
  • Real-time Alerts rate security risks and give expert advice
  • Alert Advice from the experts at Zone Labs
  • Automatic Intrusion Blocking detects, blocks, and logs known and unknown dangerous threats
  • Hardens overall security to eliminate operating system vulnerabilities
  • More Info Buttons on alerts offer expert advice
  • Context-sensitive Online Help for easier navigation

Version 2.1
New Features:

  • Now supports most infrared devices
  • Enhanced, easier to use Help
  • Improved MailSafe for even better protection from unsafe VBS scripts
  • Includes support for Windows 2000 Service Pack 1
  • FTP function is now more secure
  • Clients no longer require server rights
  • Less intrusive and quieter operation while maintaining the same high security level and stealth operation
  • Renaming the Traffic panel to the Alerts panel
  • Logging of alerts to a text file
  • The ability to browse the most recent alerts inside the Alerts panel

ZoneAlarm 2.1 works better on Windows 2000 and includes improved usability with programs using local proxies and Internet server connections. The TrueVector service features improved start up performance and is much more robust.

Version 2.0
New Features:

  • Now includes a firewall
  • Zone capable, customizable local network and Internet with separate security settings
  • Controls server applications
  • Firewall is configured easily using security levels
  • Several usability improvements for using and registering ZoneAlarm

Version 1.8
This release fixes a number of new cases where programs would be reported as "Object: XXXXXXX", including 16-bit programs under Windows 95/98.

Version 1.7
New Features:

  • This release adds proper support for using ZoneAlarm from a keyboard
  • ZoneAlarm now works well on machines with 256-color display adapters

Version 1.6.2
New Features:

  • ZoneAlarm can now run in the system tray
  • Program entries in the list now have a right click menu to change settings
  • Program entries can be deleted from the programs list
  • The configuration panel now shows better diagnostics data

Version 1.5.21
This release fixes an incompatibility with Eudora on Windows 98.

Version 1.5.20
This is the first version of ZoneAlarm for public release.


* - Check Point Software Technologies reserves the right to change or remove the features and services available through ZoneAlarm at any time.