> Task: checkIntegrity
+ The places.sqlite database is sane
+ The favicons.sqlite database is sane

How fresh are the files in the bookmarkbackups folder? The creation date should be encoded into the file name, such as this one created yesterday: bookmarks-'''2020-09-22'''_999_''gibberish''==.jsonlz4 You can apply one of those backups to your currently running Firefox by using the Restore menu, "Choose File", in the Library window. The following article has the steps: [[Restore bookmarks from backup or move them to another computer]] If that gives an error, could you let us know what you get when you run the "Verify Integrity" function. That's here: Open Firefox's Troubleshooting Information page using any of these methods: * "3-bar" menu button > "?" Help > Troubleshooting Information * (menu bar) Help > Troubleshooting Information * type or paste '''about:support''' in the address bar and press Enter Near the bottom, there is a section titled '''Places Database''' -- that's the file which stores history and bookmarks. Click the button labeled '''Verify Integrity'''. There may be a 10-15 second delay before results appear. If all is well, the report that appears below the button should start with: > Task: checkIntegrity + The places.sqlite database is sane + The favicons.sqlite database is sane Does yours say that, or something else? You can select and copy the report, and then paste it into a reply for review and comment.