Tabs have disappeared altogether in 42.0 (Windows 10). I can open a new one with the file menu but that is then the only one I can see. There is no tab+
Tabs have disappeared from the top of the screen (no tab with + sign). I can open a new tab via the file dropdown but then it is the only one I can see and I can't access the previous tab. Effectively there is no tab function at all and opening in safe mode is just the same.
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Issues have been previously linked to the McAfee Site Advisor extension. Try to disable it and see if the problem persists.
http://service.mcafee.com/faqdocument.aspx?id=TS100162 How to uninstall SiteAdvisor
To disable it: Type "about:addons" in the Location bar Find the extension and click on its "Disable" button
Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options) key, and then starting Firefox. Is the problem still there?
Actually, it eventually sorted itself out with a simple refresh. Oddly, it didn't seem to have anything to do with extensions. Thanks anyway
Hello,
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