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Firefox tabs combining

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  • 2 have this problem
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  • Last reply by cor-el

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When I use Firefox I tend to open a lot of tabs. But when I go to close tabs they all go, except when I get down to three tabs and close the third tab, the remaining two tabs combine together so that only one of them is visible. To see the other tab I have to open another third tab. It is as though Firefox can display 1, 3 or more tabs but not 2. Anyone know why or how I stop it doing this?

I have included the troubleshooting information although I have this problem on another computer running Firefox with different extensions installed

When I use Firefox I tend to open a lot of tabs. But when I go to close tabs they all go, except when I get down to three tabs and close the third tab, the remaining two tabs combine together so that only one of them is visible. To see the other tab I have to open another third tab. It is as though Firefox can display 1, 3 or more tabs but not 2. Anyone know why or how I stop it doing this? ''I have included the troubleshooting information although I have this problem on another computer running Firefox with different extensions installed''

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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See:

If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.

  • Use "Disable all add-ons" on the Safe mode start window to disable all extensions.
  • Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")