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what the hell i lost everthing with the new update not happy

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what the hell i lost everthing with the new update not happy

what the hell i lost everthing with the new update not happy

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Did Firefox create a new Profile? Did you look for your old one?

Recover user data missing after Firefox update https://support.mozilla.org/en-US/kb/recover-user-data-missing-after-firefox-update

Recovering important data from an old profile https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile