Firefox crashes when using Yahoo Mail

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This article describes why Firefox may close itself unexpectedly when using Yahoo!® Mail. For problems with Firefox crashing when not using Yahoo!® Mail, see Firefox crashes

Windows:

Yahoo!® Messenger

The Yahoo!® Application State plugin can cause crashes. 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.

Removing the plugin will not affect your ability to use Yahoo! Mail.

Firebug

Firebug can cause crashes when it's enabled for Yahoo!® Mail. You may receive a message mentioning jsd3250.dll.

To prevent the crashes, either disable Firebug for Yahoo!® Mail or install the latest beta from http://getfirebug.com/


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Page last modified on Thursday 30 of July, 2009 10:18:15 PST.
Contributors to this page: Bo , Chris_Ilias and np .
- This is a support/troubleshooting article -