I get a double blue bar at the top of the browser window that makes certain commands fail.

When I opened a second FireFox application a double blue line appears at the top of the browser window. To close the window, you must use the X above the page. When in this State, you can display only a landing page that you can not return to the previous page you see just. How to restore its normal state (single blue bar)?

Start Firefox in Firefox to solve the issues in Safe Mode to check if one of the extensions of the origin of the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > appearance/themes).

Safe mode disables extensions in Firefox 4 and later versions, and disables hardware acceleration.

  • Tools > Options > advanced > General > Browsing: "use hardware acceleration when available.

If disable hardware acceleration works then check if there is an update available for your graphics display driver.

Tags: Firefox

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