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Why when I reopen Firefox, some of my anchored tabs are duplicated and some disappear?
I have anchred the websites I mostly use (gmail, facebook, google+, etc.) so when I open the browser I have all I need ready. The problem is that when I open the browser, I always have some tabs two times and other disappeared. ie. Today I opened and I found: gmail, facebook, twitter (where yesterday was google+), twitter again, a web for bills payments, that web again (where yesterday was the page of bank "A"), the page of bank "B". But every day I fix the tabs and the next day I have a different configuration of fixed tabs.
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It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
- Help > Troubleshooting Information > Profile Directory: Open Containing Folder
- http://kb.mozillazine.org/Profile_folder_-_Firefox
- http://kb.mozillazine.org/sessionstore.js
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.
Deleting sessionstore.js will cause App Tabs and Tab Groups and all open tabs to get lost, so you will have to create them again (make a note or bookmark them).
See: