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How do I stop a second set of bookmarks from appearing on my browser

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I start off the morning with my bookmarks and all is fine. Then, I notice that a new set of bookmarks has been added to the right of another set of bookmarks (I say it this way because neither set of bookmarks is the set I started out with and want to use). I have found the only way to deal with this is to restore an earlier set of bookmarks. However, before the end of the day, I get the another new set of bookmarks to the right of the bookmarks I thought I was using. This is both annoying and troubling. If I can see this problem happening, day-after-day-after-day, what other things are going on that I am not seeing? More importantly, why can I not get an answer to this issue?

I start off the morning with my bookmarks and all is fine. Then, I notice that a new set of bookmarks has been added to the right of another set of bookmarks (I say it this way because neither set of bookmarks is the set I started out with and want to use). I have found the only way to deal with this is to restore an earlier set of bookmarks. However, before the end of the day, I get the another new set of bookmarks to the right of the bookmarks I thought I was using. This is both annoying and troubling. If I can see this problem happening, day-after-day-after-day, what other things are going on that I am not seeing? More importantly, why can I not get an answer to this issue?

All Replies (2)

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Are you using sync?

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.

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Sorry you haven't gotten an answer during the past week. I think you stumped everyone.

Do you use the Sync service to synchronize bookmarks (and other data) between this Firefox and another installation of Firefox, either on a desktop system or mobile device?

If this is happening purely internally to one installation of Firefox, it could indicate a database corruption problem.

Where do you see the duplicates and mystery additions? For example, on the Bookmarks Toolbar, on the Bookmarks menu, on the Library button menu, in the Library window (Ctrl+Shift+b), or in all these places?

Do you use any add-ons that create bookmarks as you browse, or that use bookmarks as a backup (for example, the MySessions extension uses the bookmark system to save sessions)?