Script: file:///C:/Program%20Files/Mozilla%20Firefox/components/nsExtensionManager.js:2309

error message pop up shows: Script: file:///C:/Program%20Files/Mozilla%20Firefox/components/nsExtensionManager.js:2309
== This happened ==
Every time Firefox opened
== after I upgrade to newer version of firefox ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.2)

Hello Carway.
It's possible that you are having a problem with some Firefox add-on that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?
Whenever you have a problem with Firefox, whatever it is, you should make sure it's not caused by one (or more than one) of your installed add-ons, be it an extension, a theme or a plugin. To do that easily and cleanly, run Firefox in [http://support.mozilla.com/en-US/kb/Safe+Mode safe mode] (don't forget to select ''Disable all add-ons'' when you start safe mode). If the problem disappears, you know it's from an add-on. Disable them all in normal mode, and enable them one at a time until you find the source of the problem. See [http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes this article] for information about troubleshooting extensions and theme and [https://support.mozilla.com/en-US/kb/Troubleshooting+plugins this one] for plugins.
If you need support for one of your add-ons, you'll have to contact its author.

Similar Messages

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    Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
    * Don't make any changes on the Safe mode start window.
    See:
    * [[Troubleshooting extensions and themes]]
    * [[Troubleshooting plugins]]

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    == This happened ==
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    == ???

    See also https://bugzilla.mozilla.org/show_bug.cgi?id=542695

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    I also have this problem and never had it before. This scripts that become non responsive and there are more than just this one, really really cripples my system to the point where I have to wait 5 minutes between clicks in the web browser... When is FireFox going to address this issue?
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    Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).<br />
    See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]]<br />
    <br />
    If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears.<br />
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    Create a new profile exclusively for the 4.0 beta version and create a desktop shortcut with -P "profile" appended to the target to launch that profile.
    * http://kb.mozillazine.org/Testing_pre-release_versions
    * http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows
    * http://kb.mozillazine.org/Shortcut_to_a_specific_profile
    * http://kb.mozillazine.org/Using_multiple_profiles_-_Firefox

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    Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
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    If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
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