It sounds like you may have some other settings changed that prevent Firefox from restoring your tabs and windows. Here's what to check: #At the top of the Firefox window, click on the Firefox button (Tools menu in Windows XP) and then click Options #Select the Privacy panel and make sure Firefox will: is set to either Remember history or Use custom settings for history. #*If Firefox will: is set to Use custom settings for history then make sure that Permanent Private Browsing mode is not selected. #*If Firefox will: is set to Use custom settings for history and Clear history when Firefox closes is selected, then click the Settings button and make sure that Browsing History is not selected. #Click OK to close the Options window