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Firefox freezes with unresponsive script error messages. Whether I choose to continue or not, these keep occurring. What causes these, how do I stop them? There is alot of hang time which is frustrating.

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Firefox freezes with unresponsive script error messages. Whether I choose to continue or not, these keep occurring. What causes these, how do I stop them? There is alot of hang time which is frustrating.

Additional System Details

This happened

A few times a week

This started when...

3 months ago

Installed Plug-ins

  • Picasa plugin.
  • iPhoto6
  • Office Live Update v1.0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Coupons Inc., Coupon Printing FireFox Plugin
  • Java Plug-In 2 for NPAPI Browsers
  • Shockwave Flash 10.2 r152
  • 4.0.60310.0

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

More Information

I have an iMac OSX and the current version of Firefox.

cor-el
  • Top 10 Contributor
  • Moderator
10755 solutions 96800 answers

Start Firefox in Troubleshoot Firefox issues using Safe Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.

  • Use "Disable all add-ons" on the Troubleshoot Firefox issues using Safe Mode start window to disable all extensions.
  • Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

In Firefox 4 you can use one of these to start in Troubleshoot Firefox issues using Safe Mode:

  • Help > Restart with Add-ons Disabled
  • Hold down the Shift key while double clicking the Firefox desktop shortcut (Windows)