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I can't see my bookmarks after new patch

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Today my firefox completed an update and i lost all my bookmarks. What happened? I didn't find any html or json file in mozilla firefox folder in program files. Also i can't find any firefox preference in my documentary folder in C:/. I collected these bookmarks in many years. Please help me.

Today my firefox completed an update and i lost all my bookmarks. What happened? I didn't find any html or json file in mozilla firefox folder in program files. Also i can't find any firefox preference in my documentary folder in C:/. I collected these bookmarks in many years. Please help me.

Chosen solution

If you lost personal data then it is possible that a new default-release profile folder has been created. See "Determine if Firefox has created a new profile":

You can open the about:profiles page via the location bar to check whether multiple profiles are present and what profile Firefox currently is using.

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It' a screenshot about.

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Also i lost my all saved passwords.

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Suluhisho teule

If you lost personal data then it is possible that a new default-release profile folder has been created. See "Determine if Firefox has created a new profile":

You can open the about:profiles page via the location bar to check whether multiple profiles are present and what profile Firefox currently is using.

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Thank you so much for immediete help with understandable English language. Problem absolutly solved.