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I am unable to open about:permissions. I get "The URL is not valid and cannot be loaded."

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  • 2 have this problem
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  • Last reply by cor-el

pamcooke
pamcooke
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I am also unable to open https sites.

I am also unable to open https sites.

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cor-el
cor-el
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Do other about: pages work properly?

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).

See also:

Modified by cor-el