I am unable to open about:permissions. I get "The URL is not valid and cannot be loaded."
I am also unable to open https sites.
I am also unable to open https sites.
All Replies (1)
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).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.org/kb/Safe+Mode
See also:
- [/questions/908165] The URL is not valid and cannot be loaded
Modified