When Firefox has many tabs opened (more than 10), sometimes I can't swith between tabs using mouse, only Alt + Tab works.
Maybe the problem is because one of the opened pages contais flash advertisement. Please fix it
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).
You can check for problems caused by recent Flash updates and try these:
Hi. I have tested firefox work in safe mode, NO problem occurred and I can switch tab using mouse. I have "Last-tab" (version: 3.0t3.1) add-ons installed on home and work pc and both pc has problem in switching tab.
How to fix this problem without removing "Last-tab"? Because it's very nice functionality when I can choose tab from the visual popup using Ctrl+Tab
If you can confirm that "Last-tab" is causing the problem (i.e. it works with only that extension disabled) then you have no choice then disable this add-on for now until there is an update that addresses this issue.
If it works in Firefox Safe-mode then disable all extensions (Tools > Add-ons > Extensions) and then try to find which is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")
"If you can confirm that "Last-tab" is causing the problem"...
Yes, this problem cause "Last-tab" add-ons, because on my home pc I have only this extension and I can't switch between tabs using mouse, only Ctrl + Tab works.
Could you please inform "Last-tab" developers about this bug? What about include this functionality in the firefox as a default feature?
Hi cor-el, are you from the firefox support? If not, how to escalate this problem to the firefox support team?
There is a support forum for the LastTab add-on here: