Having some issues with with Firefox 3? Crashed, hanging up on you, slowing down, or not working working correctly with other websites. We all know Firefox is a great browser, and we don’t want it to send up like Internet Explorer, but for the mean time until these fixes have been, well, fixed we have the answers to your questions below. Special thanks to blogsdna.com!

Firefox 3 Crash - Extensions & Add-on:

Most of the Firefox 3 crash and hang issue are because of incompatible Firefox 3 add-on and Extensions. You must check weather any of installed extensions are in Mozilla Problematic extensions List. Disable/Remove all Incompatible Extensions.

If you are not sure which Extensions Add-on creating problem then Perform the following steps to identify Extensions Issue

Go To Mozilla Firefox Profile Directory

Rename extensions folder to extensions1 for a time

Create Empty Extensions folder

Now check you Firefox is crashing or not. If it stops crashing then its your extensions and add-on creating Firefox 3 crash problem.

Ref: http://kb.mozillazine.org/Problematic_extensions

Firefox 3 Crash and RescueTime:

Their has been several report that RescueTime has been responsible to Firefox 3 crashes.

RescueTime Team is working on this and will get fixed version of RescueTime.

Ref: http://getsatisfaction.com/rescuetime/topics/rescuetime_crashes_firefox_3

Firefox 3 Crashes- Vista Data Execution Prevention (DEP)

No Solution Available (Will update as soon as I get any working solution )

Firefox 3 and Gmail Loading Crash

Users have reported Crash while loading Gmail inbox. one of culprit in this case is CustomizeGoogle (Extensions) Disable This extension or disabling the hide invite box and hide quick contact box functions in CustomizeGoogle (extension) solves the problem.

Ref: https://bugzilla.mozilla.org/show_bug.cgi?id=440969

Another Extension which also causes Firefox 3 to Crash when you open Gmail is FireBug. Incase if you use firebug then disable and check it’s still crashing.

Firefox 3 Crash Due to QuickTime plugin

Firefox 3 crashes due to QuickTime Plugin, Just Install the latest QuickTime plugin and it will resolve the problem.

Ref: http://www.zabbix.com/forum/showthread.php?t=9913

Ubuntu Firefox 3 Flash Crash

Adobe has released latest Beta Flash Player 10 beta 2 which has fix for many bugs which also addresses Linux Flash bugs. Installing Flash Player 10 beta 2 will solve Firefox 3 Crashes due to Flash on Ubuntu.

Firefox 3 crash reported on Ubuntu due to flash content has following Fix

1) Add ‘export XLIB_SKIP_ARGB_VISUALS=1’ to /usr/bin/firefox (This is the Script which starts Firefox).

2) Turning Composite off in /etc/X11/xorg.conf

3) Switch screen depth from 16 to 24 bits. Also, edit /etc/X11/xorg.conf to do same change

Ref: http://grumpymole.blogspot.com/2006/10/ubuntu-firefox-flash-crash-this-fix.html

Firefox 3 Crash When You Right Mouse Click

Problematic Extension in this case is ‘Free Download Manager Plugin 1.0’ which is not compatible with Firefox 3.Disabling Download Manager Plugin 1.0 will get you out of this problem.

Ref: http://forums.mozillazine.org/viewtopic.php?f=38&t=681355&p=3510795

kaspersky 2009 Causes Firefox 3 to Crash

Kaspersky Internet Security 2009 is responsible for Firefox 3 crashes for many users, this is confirmed by Kaspersky. They are testing out fixed version of Kaspersky and will soon make available for download

Mean while here is the solution to stop Firefox 3 Crash due to Kaspersky

1. Download Sysinternals AutoRuns for Windows.

2. Extract and run autoruns.exe

3. Click AppInit tab and uncheck C:\Progra~1\Kasper~1\Kasper~1\mzvkbd.dll

4. Restart your computer.

Ref:raymond.cc

Firefox 3 Crashes Whenever You download Something (Ubuntu Hardy)

This is a typical problem. Whenever you try to download from any where, Firefox 3 crashes. Culprit behind This Firefox 3 crash is Prism 0.2 Extension. Disabling This Extension will solve this issue

Ref: http://ubuntuforums.org/showthread.php?t=827399

Firefox 3 Crashes when You Use Yahoo Mail

Exact problem for this Firefox 3 Crash is Yahoo! Application State plugin, You’ll need to disable this plugin.

1. From the menu at the top of the Firefox windowbar, select FileFirefox and then select the ExitQuit FirefoxQuit menu item.
2. Open My Computer or Windows Explorer.
3. Browse to the directory: C:\Program Files\Yahoo!\shared
4. Delete the file npYState.dll. Now that this plugin has been removed, Firefox may stop crashing when using Yahoo! Mail.

FireBug can also cause Firefox 3 Crash either disable FireBug for Yahoo Mail or get Latest Updated FireBug Extention.

Ref:http://support.mozilla.com/en-US/kb/Firefox+crashes+when+using+Yahoo+Mail

Firefox 3 Crashes when you open MSN (www.msn.com)

Some of Firefox 3 users have reported crash of Firefox 3 while opening www.msn.com, only one solution found to be solving this problem . Silverlight is culprite for this type Firefox 3 crash.Disable silverlight and then check out.

Standard Diagnostic Steps for Firefox 3 Crash Isseue

• Exit Firefox Completely
• Clear Cache
• Close Firefox from File – Exit. Make sure its not running in background
• Start Firefox in Safe Mode
• Extension and Theme Issue Check list of Problematic Extensions
• Profile Issue
• Plugin Issue
• Clean Reinstall

Read here for Firefox Hang Issue. In case none of above Solution works for you then check out Firefox 3 Top Crash page

I will suggest to Report to Mozilla When ever you have any Firefox 3 Crash via Mozilla Crash Reporter, This helps mozilla developers to look into problem which resulted in Firefox 3 Crash.

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