2nd request. every time I install Firefox, it starts to run slow and typing is slow.
9.0.1 MacBook Air Runs slow. Safari work fine. typing is too slow, I finish a sentence and takes time to write it.
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It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the sessionstore.js [2] file and possible sessionstore-##.js [3] files with a number and sessionstore.bak in the Firefox Profile Folder.
- Help > Troubleshooting Information > Profile Directory: Open Containing Folder
- http://kb.mozillazine.org/Profile_folder_-_Firefox
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost, so you will have to create them again (make a note or bookmark them).
See also:
- [1] http://kb.mozillazine.org/Session_Restore
- [2] http://kb.mozillazine.org/sessionstore.js
- [3] http://kb.mozillazine.org/Multiple_profile_files_created
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.org/kb/Safe+Mode
FireFox is a bloody mess on my MacBook Air. I have tried everything, Apple says I should took to a tech support in person hopefully this will resolve the matter. Some how I am having the same troube with AOL. I cannot also shutdown my computer because of Firefox. Bastille3@aol.com