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while using Firefox , I have a bookmarks window constantly popping up on the left side of the screen. I keep closing it only for iy to return. HOW DO I STOP IT?

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While using Firefox,I have this bookmarks search popup window opening on the left side of my computer. I will be typing to fill in a form and it will popup....I will close it .....it will return...close it and it will return. At other times I`ll be watching a video and it will open and close on its own numerous times. HOW DO I STOP THIS.......ITS IMPOSSIBLE TO USE THE COMPUTER WHILE THIS IS GOING ON !!!!

While using Firefox,I have this bookmarks search popup window opening on the left side of my computer. I will be typing to fill in a form and it will popup....I will close it .....it will return...close it and it will return. At other times I`ll be watching a video and it will open and close on its own numerous times. HOW DO I STOP THIS.......ITS IMPOSSIBLE TO USE THE COMPUTER WHILE THIS IS GOING ON !!!!

Chosen solution

Hello,

Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.

(If you're not using it, switch to the Default theme.)

  • On Windows you can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
  • On Mac you can open Firefox 4.0+ in Safe Mode by holding the option key while starting Firefox.
  • On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
  • Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.

FirefoxSafeMode

Once you get the pop-up, just select "'Start in Safe Mode" Safe Mode Fx 15 - Win

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.

Thank you.

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Chosen Solution

Hello,

Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.

(If you're not using it, switch to the Default theme.)

  • On Windows you can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
  • On Mac you can open Firefox 4.0+ in Safe Mode by holding the option key while starting Firefox.
  • On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
  • Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.

FirefoxSafeMode

Once you get the pop-up, just select "'Start in Safe Mode" Safe Mode Fx 15 - Win

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.

Thank you.

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You can check for problems caused by a corrupted localstore.rdf file.

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The keyboard combination Ctrl+b will open and close the sidebar. I can imagine accidentally pressing Ctrl+b when filling in a form, but it's strange that a video would do it...

Sometimes Firefox has trouble with certain more advanced input devices (e.g., multi-button trackballs, wireless keyboard/mouse) or mouse drivers. If you notice any other stray input, I'd look into that (e.g., driver update, making sure there are no loose/stuck keys, etc.).