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Can only open 4 tabs in window. Then + button doesn't work, and New Tab greyed-out in menu.

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peteran
peteran
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Running Firefox 7.0.1 on Mac OS X 10.7.1.

Number of tabs that can be opened in a single window is limited. Can't currently open more than four. Clicking the "+" button to the right of open tabs does nothing, and the "New Tab" option in the file menu is greyed out.

Running Firefox 7.0.1 on Mac OS X 10.7.1. Number of tabs that can be opened in a single window is limited. Can't currently open more than four. Clicking the "+" button to the right of open tabs does nothing, and the "New Tab" option in the file menu is greyed out.

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cor-el
cor-el
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).