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New version of Firefox, total loss of data

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Hello,

My version of Firefox started to malfunction.

Found the latest version of Firefox available, and installed it.

Resulted in total loss of data, I lost all bookmarks, passwords, and add-ons.

A folder called "Old Firefox data" was created on my desktop.

Is there still a chance to recover my data?

Why was all data lost?

//

Hello, My version of Firefox started to malfunction. Found the latest version of Firefox available, and installed it. Resulted in total loss of data, I lost all bookmarks, passwords, and add-ons. A folder called "Old Firefox data" was created on my desktop. Is there still a chance to recover my data? Why was all data lost? //

All Replies (3)

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Yes, you can recover it.

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Suluhisho teule

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about:profiles did not show the older profile.

Used copy between folders.