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Firefox randomly creates bookmarks in my toolbar that I can't permanently delete

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Firefox will repeatedly create bookmarks that are duplicates of existing bookmarks in my bookmarks toolbar. Many but not all have the name "NO_TITLE". I can temporarily delete these bookmarks but they are automatically regenerate less than a minute later. This doesn't occur with bookmarks located in other folders. If I have the bookmarks navigation pane open on the left, I can watch a weird refresh going on every few minutes. I quit using Firefox a year ago because of this, but I'm trying it again.

Firefox will repeatedly create bookmarks that are duplicates of existing bookmarks in my bookmarks toolbar. Many but not all have the name "NO_TITLE". I can temporarily delete these bookmarks but they are automatically regenerate less than a minute later. This doesn't occur with bookmarks located in other folders. If I have the bookmarks navigation pane open on the left, I can watch a weird refresh going on every few minutes. I quit using Firefox a year ago because of this, but I'm trying it again.

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Hi Mike, that shouldn't happen.

Do you use Sync? There's always a possibility of extra glitches with sync'd bookmarks.

Could you make an extra backup of your bookmarks -- I suggest both formats:

Then try 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.

The usually starts with:

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

Are there any indications of trouble? You can select and copy the report, and then paste it into a reply for review and comment.