Hi, You can try to '''Restore Previous Session''' via '''History''' ('''Alt''' + '''S'''). To automatically restore the tabs at startup, '''Show my windows and tabs from last time''' in '''Tools''' ('''Alt''' + '''T''') > '''Options''' > '''General''' has to be enabled. For these two options to work correctly you may also have to make sure of these [https://support.mozilla.org/en-US/kb/Session-Restore#w_settings-may-be-incorrect history settings.] If the problem persists, please try deleting the files named '''sessionstore.*''' in the [http://kb.mozillazine.org/Profile_folder Firefox Profile Folder] after exiting Firefox. You can also open the profile folder via Firefox '''Help''' ('''Alt''' + '''H''') > '''Troubleshooting Information''' > '''Open Containing Folder'''. [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Files] Please also note that though Aurora could be stable, it is still a development version of Firefox and because it is constantly updated, non-existent problems could suddenly arise within hours. You can install the latest Firefox side-by-side with Aurora and switch between them using [https://support.mozilla.org/en-US/kb/Managing-profiles?s=profile&r=0&e=sph&as=s Profiles]. https://www.mozilla.org/en-US/firefox/new/

Thanks. After continuing to dig and search, I came across this MozillaZine post: http://forums.mozillazine.org/viewtopic.php?f=23&t=2420099 It seems the problem was add-on related as opposed to something in Firefox itself.

Thanks for posting the helpful info.