This article was been published more than a year ago. The information may be outdated.
With the release of Firefox 3, users have gotten a few nifty little tools to use, a few of which I noted in a previous post. Another tool, which I had missed was the ability to save the tabs of your current session, so that they’d open the next time you’d open Firefox. Before Firefox 3, to achieve this, you’d have to open the Windows task manager and kill the process.
Now, if you have more than one tab open, you’ll be prompted whether you want to save these tabs for your next session, like so:
If you check the checkbox, and click “Save and Quit”, a setting located at Tools -> Options -> Main gets set to “Show my windows and tabs from last time“, like so:
Apparently, there is no readily available setting to reverse it if you check the box and click quit. If you do, Firefox will not prompt you again. However, you can edit that setting too. To edit it, go to about:config in Firefox (enter it in the address bar, hit enter). Search for browser.warnOnQuit, and double click it so that the boolean value is true.