Firefox bookmarks disappeared on my Mac Mini

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Level 1

9 points

Firefox bookmarks disappeared on my Mac Mini

I got this warning strip when I opened Firefox on my Mac Mini "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".

Could Mac Catalina security software be interfering with firefox bookmarks? or has this happened to anyone else. I've switched back over to Safari, and checked constantly today to make sure nothing of any monetary importance was tampered with.

Mac Mini (late 2014)

Catalina 10.15.5

Any thoughts on this would be appreciated.

Posted on Jul 6, 2020 5:17 PM

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Answer 1

Top-ranking reply

steve626

Level 6

11,513 points

Jul 6, 2020 6:30 PM in response to tabbycat14

Firefox/Mozilla has a fix for this (the first thing they suggest is restart your computer, but if that doesn't bring things back, they have a manual process to restore your bookmarks):

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

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Answer 2

dialabrain

Level 10

125,531 points

Jul 6, 2020 6:27 PM in response to tabbycat14

FWIW, I've been using Firefox on Catalina since last year on 5 different Macs and have never seen such a message. Nor have I seen a similar post.

Install EtreCheck and post the report. Allow full disk access.

https://etrecheck.com/

Use the Additional Text icon under the reply window to paste in the report.

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Answer 3

tabbycat14 Author

Level 1

9 points

Jul 6, 2020 7:28 PM in response to steve626

Hi, I've already been in touch with them, and they don't seem to know. I've tried all the things they've suggested. I'll just have to get used to Safari. I'm still keeping an eye on my bank accounts, and so far everything is fine. My big fear was a hack, but twelve hours later, nothing has happened. Thanks for posting.

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Answer 4

tabbycat14 Author

Level 1

9 points

Jul 6, 2020 7:24 PM in response to dialabrain

etrecheck sounds like an idea, but I'd never allow a third party access to the disc. I've checked for malware or anything strange in the library/daemons but clean. Thanks for looking at the post.

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Firefox bookmarks disappeared on my Mac Mini

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