While closing several existing tabs one by one, suddenly a new tab will be opened and then it is not possible to close the individual tabs at all why so?
Suppose I have 20 tabs open in a firefox window. Now I try to close the unwanted tabs one by one. While doing this all of a sudden a new blank tab will appear at the end of the tabs and after that I can no longer close the tabs as I was doing earlier. I can not even close the newly open tab and any of the previously opened tabs. The only way to get rid of all the tabs is to close the entire firefox window and ten restart firefox. When I restart firefox it says firefox is running in background so close all the applications and restart firefox. This is annoying. Please help.
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This issue can be caused by an extension that isn't working properly.
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
- Do not click the Reset button on the Safe mode start window or otherwise make changes.