when I launch firefox all I get is a tab that says "about session restore" and a spinning beach ball. l
I have been using Firefox for the Mac for years. My operating system is Snow Leopard. I have always updated Firefox as new versions became available. Two days ago when I attempted to launch Firefox I started getting the message "about session restore" and the spinning beach ball. The only thing I can do at this point is do a forced quit. How do I fix Firefox?
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Hi rp4035, The [about:sessionrestore] tab will show up when Firefox crashed or did not shut down properly. In the about:support page there is a section with a crash list. This report can help identify what the issue may have been caused by.
However since you are seeing it hang when the page tries to load, the sessionrestore.js file could also be corrupted. You may want to reset firefox to resolve this issue.
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: This will cause you to lose any Extensions and some Preferences.
- Open websites will not be saved in Firefox versions lower than 25.
To Reset Firefox do the following:
For Firefox versions previous to 29.0:
- Go to Firefox > Help > Troubleshooting Information.
- Click the "Reset Firefox" button.
- Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
- Firefox will open with all factory defaults applied.
For Firefox 29.0 and above:
- Click the menu button , click help and select Troubleshooting Information.
Now, a new tab containing your troubleshooting information should open.
- At the top right corner of the page, you should see a button that says "Reset Firefox". Click on it.
- Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
- Firefox will open with all factory defaults applied.
Further information can be found in the Refresh Firefox - reset add-ons and settings article.
Did this fix your problems? Please report back to us!
Thank you.
You can check for problems with the sessionstore.js and sessionstore.bak files in the Firefox profile folder that store session data.
- Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
- http://kb.mozillazine.org/Profile_folder_-_Firefox
- http://kb.mozillazine.org/Multiple_profile_files_created
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).