Recent answers to My bookmarks will not synch.https://support.mozilla.org/en-US/questions/12072632018-03-02T04:08:38-08:00You can check for problems with the places.sqlite database (bookmarks and history) in the Firefox pr2018-03-02T04:08:38-08:00cor-elhttps://support.mozilla.org/en-US/questions/1207263#answer-1083638<p>You can check for problems with the <b>places.sqlite</b> database (bookmarks and history) in the Firefox profile folder.
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<ul><li>use "Verify Integrity" on the "Help -&gt; Troubleshooting Information" (about:support) page
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<p>See also:
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<ul><li><a href="http://kb.mozillazine.org/Locked_or_damaged_places.sqlite" rel="nofollow">http://kb.mozillazine.org/Locked_or_damaged_places.sqlite</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file" rel="nofollow">https://support.mozilla.org/en-US/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file</a>
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<p>If "Verify Integrity" on the "Help -&gt; Troubleshooting Information" (about:support) page cannot repair places.sqlite then remove all places.sqlite files Firefox profile folder.
Firefox will rebuild places.sqlite and restore the bookmarks from the most recent JSON backup in the bookmarkbackups folder.
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<ul><li>keep a backup copy of places.sqlite in case a new places.sqlite database has to be created
</li><li><a href="http://kb.mozillazine.org/Unable_to_process_the_backup_file_-_Firefox" rel="nofollow">http://kb.mozillazine.org/Unable_to_process_the_backup_file_-_Firefox</a>
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<p>You can use the button on the "Help -&gt; Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the <b>about:profiles</b> page.
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<ul><li>Help -&gt; Troubleshooting Information -&gt; Profile Directory:<br>Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder
</li><li><a href="http://kb.mozillazine.org/Profile_folder_-_Firefox" rel="nofollow">http://kb.mozillazine.org/Profile_folder_-_Firefox</a>
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