To optimize Firefox is like let's Refresh and loose everything but ok, Note backing up your Profile will save stuff but you may want to copy out your passwords or can take a screenshot of them *https://support.mozilla.org/en-US/kb/firefox-screenshots , export bookmarks to HTML as per below. A clean Profile is best practice to start again as below is like a factory reset. (as to you AOL Messages, not fully understanding that one....) REFRESH INSTRUCTIONS Hi, please try a Refresh but Note that this does more than uninstalling and re-installing does. Normal uninstalling does not remove some preferences which may have become corrupt. Do below 1st : *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles then *https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...: *https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles If is your Profile : *https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile *http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox Note: Any customization will revert back to default, you will also need to reinstall Extensions. Might want to figure out this error in your Video Card Drivers : adapterDescription: ATI Radeon 3000 Graphics driverDate: 4-29-2013 featureLog: {u'fallbacks': [{u'message': u'Unsupported by driver', u'name': u'NO_CONSTANT_BUFFER_OFFSETTING'}], Below are all bookmark-able sites as they cover all versions. https://support.microsoft.com/en-ca/help/15055/windows-7-optimize-windows-better-performance https://www.techrepublic.com/blog/10-things/10-ways-to-speed-up-windows-7/ https://www.sevenforums.com/tutorials/11728-optimize-windows-7-a.html http://www.thewindowsclub.com/beginners-tips-to-optimize-windows-7-for-better-performance Please let us know if this solved your issue or if need further assistance.