firefox 4 new tab opens new windows instead
After upgrade to Firefox 4, the feature "mouserightclick-open new tab" opens a new window, instead. From then on, all "open new tab" operations open new tabs in the other window, the second one created.
Alla svar (2)
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 > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
See:
The two context menu entries to open links in new window and a new tab were swapped in Firefox 4 to promote using tabs in case you noticed the change.
Thanks for the hint, cor-el , but problem persisted even with all Add-ons disabled. But after some 8 days and several O.S. reboots, the problem disappeared . No action was taken, I suppose that it was some bug that the developers corrected. Issue solved.