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I have lost all my tabs three times now in the last couple days. When I restart Firefox, there has been two windows stuck, what gives?

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Three days in a row, I've lost all my tabs, about 20 each time. In he bottom tray, there were two windows listed in the icon. I tried several ways to keep both but had to use task manager to close Firefox. When I opened FF again, only one window was listed in recently close windows. I updated FF a couple days ago to 56.0.2, running Win 10 and it is up to date. My email is: mark.w.miller@att.net.

Thanks

Three days in a row, I've lost all my tabs, about 20 each time. In he bottom tray, there were two windows listed in the icon. I tried several ways to keep both but had to use task manager to close Firefox. When I opened FF again, only one window was listed in recently close windows. I updated FF a couple days ago to 56.0.2, running Win 10 and it is up to date. My email is: mark.w.miller@att.net. Thanks

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Please edit your personal information out of your question as this is a public forum.

Try Uninstall then Using the Full Version Installer https://www.mozilla.org/firefox/all/ for 56.0.2

Note Firefox 57 Quantum release date Nov 14th https://www.mozilla.org/en-US/firefox/quantum/ Note : all Legacy Extensions will be disabled or removed.

We can trouble shoot this other ways if a new install does not work out. Your profile will be saved when uninstall.

Please let us know if this solved your issue or if need further assistance.