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My bookmarks and history are gone

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  • Last reply by FredMcD

mssr7
mssr7
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My bookmarks and history are gone. There is a red banner across the top, which reads, "The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem." No matter what I do, I can't seem to get either fixed.

My bookmarks and history are gone. There is a red banner across the top, which reads, "The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem." No matter what I do, I can't seem to get either fixed.
Attached screenshots

All Replies (1)

FredMcD
FredMcD
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Reboot the computer.


If you have sync, and there is a problem anywhere, Shut Down Sync Immediately On All Devices to prevent the problem from spreading. Once the problem is fixed, perform the same repair on all computers/profiles before using sync again.


[v57+] Places Maintenance is built into Firefox.

Type about:support<enter> in the address bar.

You will find Places Database near the bottom. Press the Verify Integrity button.

When done, copy and post the results here.

https://support.mozilla.org/en-US/kb/fix-bookmarks-and-history-will-not-be-functional