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Why? Firefox can't find the file at ....

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Firefox is crashing or closing unexpectedly


Why do I get this message all day long? I never did before. Firefox can't find the file at jar:file:///C:/Program Files/Mozilla Firefox/chrome/en-US.jar!/locale/browser-region/

Firefox version


Operating system

Windows XP

User Agent

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20100401 Firefox/3.6.3 (.NET CLR 3.5.30729)

Plugins installed

  • -np-mswmp
  • Adobe Shockwave for Director Netscape plug-in, version 10.3
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • RealPlayer(tm) LiveConnect-Enabled Plug-In
  • RealJukebox Netscape Plugin
  • Adobe PDF Plug-In For Firefox and Netscape 8.2.2
  • Default Plug-in
  • Shockwave Flash 10.0 r45
  • iTunes Detector Plug-in
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • RealPlayer(tm) HTML5VideoShim Plug-In
  • Rhapsody Player Engine Plugin
  • Java Plug-in 1.5.0_02 for Netscape Navigator (DLL Helper)

All Replies (2)

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Did you install a Comcast extension or search engine?

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The jar: issue can be caused by the toolbar or the "ZoneAlarm Spy Blocker Toolbar" or the Fox-it toolbar (Tools > Add-ons > Extensions).