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Where did my profile go? Where is my session?

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I opened Firefox and it opened as usual... but I can't restore my session. not only that, my addons are all gone, my history is gone, everything is gone?!

How can this happen? Why would it happen without any messages? After I was using the Extended Support version and it upgraded to Quantum automatically and decided to purge my profile of addon data, making me lose all my old sessions and thousands of saved web pages, I'm absolutely losing my mind over the incredible data loss that Firefox is causing without thinking twice about it!?

I looked in %APPDATA%\Mozilla\Firefox\Profiles\ and there's only one folder in there and it has been created twenty minutes ago, when I started the browser. This is horrendous data loss if my previous profile is really gone!

I opened Firefox and it opened as usual... but I can't restore my session. not only that, my addons are all gone, my history is gone, everything is gone?! How can this happen? Why would it happen without any messages? After I was using the Extended Support version and it upgraded to Quantum automatically and decided to purge my profile of addon data, making me lose all my old sessions and thousands of saved web pages, I'm absolutely losing my mind over the incredible data loss that Firefox is causing without thinking twice about it!? I looked in %APPDATA%\Mozilla\Firefox\Profiles\ and there's only one folder in there and it has been created twenty minutes ago, when I started the browser. This is horrendous data loss if my previous profile is really gone!

Modified by firefox.sync3

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  • User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0.2 Waterfox/56.0.2

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FredMcD
  • Top 10 Contributor
4187 solutions 58442 answers
Look on your desktop. Do you see a folder called; '''Old Firefox?''' Look inside. Look for the folder with the latest creation date. https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible
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FredMcD
  • Top 10 Contributor
4187 solutions 58442 answers

firefox.sync3 said

After I was using the Extended Support version and it upgraded to Quantum automatically

If you were using Firefox ESR, then it should have updated via the ESR updater. Not the normal (Quantum) updater.

Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Now in the Reply Box on the forum page, do a right-click in the box and select Paste.

This will show us your system details. No Personal Information Is Collected.

If you can't fit everything in one post, do not worry. It's the upper part we need to check out.

''firefox.sync3 [[#question-1266833|said]]'' <blockquote> After I was using the Extended Support version and it upgraded to Quantum automatically </blockquote> If you were using Firefox ESR, then it should have updated via the ESR updater. Not the normal (Quantum) updater. Type '''about:support''' in the address bar and press '''Enter.''' Under the main banner, press the button; '''Copy Text To Clipboard.'''. Now in the Reply Box on the forum page, do a right-click in the box and select '''Paste.''' This will show us your system details. '''No Personal Information Is Collected.''' If you can't fit everything in one post, do not worry. It's the upper part we need to check out.
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