I cannot get a new tab to open.
I have tried Ctrl + t, pressing the plus sign to open a new tab and used the file drop down menu to open a new tab. None of these things work. This started a couple of days ago.
ప్రత్యుత్తరాలన్నీ (2)
The Ask Toolbar is causing that in the Firefox 3.6.13+ versions. Evidently something in that extension isn't compatible with a Firefox security fix. Disable that extension or un-install it.
I don't have the ask toolbar and I can't find where to un-install it.