Why did Firefox stop restoring my open tabs when I restart after a crash?
After a crash I get a blank tab, not even my hompages. I have to close and re-open firefox to get my home pages and never get tabs restored from the time of the crash.
Setting the pref browser.sessionstore.max_resumed_crashes to 0 does not change this.
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Is Session Restore working in that you can reopen tabs from the previous session?
- Tools > Options > General > Startup: When Firefox Starts: "Show my windows and tabs from last time"
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 file and possible sessionstore-##.js 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).
Tools > Options > General > Startup: When Firefox Starts: "Show my windows and tabs from last time"
is not set as I don't want my tabs restored from last time unless there is a crash.
No sessionstore files exist in the profile.
由 castoffs 於 修改
My point was to test if session restore works if you select that choice or if that fails as well. So please give it a try.
You can also try to reset Firefox:
Thanks, the reset fixed it.
OK, I found out what does this.
When "Clear history when Firefox closes" is checked Firefox does not restore windows and tabs after a crash.
How and why would Firefox remove history on a crash thus removing the ability to retstore on restart.
This hasn't always happened by the way as I've always had this option checked.
Maybe it is caused by a missing privacy.sanitize.didShutdownSanitize pref in prefs.js that tells Firefox that clearing that data has been successful.
Firefox may be deleting that that data on a next start if it didn't happen on shutdown or you may have a crash that happened after that data already had been removed.
- prefs.js: user_pref("privacy.sanitize.didShutdownSanitize", true);
Many thanks. It was missing and has solved the problem.