Not loading any pages and cant can't open settings
Mar 2, 2021 · I also can't go into options. When I click on the options button, nothing happens. I am not running in any compatibility modes. I have tried reinstalling Firefox, didn't help. I am not using any …
Client Challenge - Mozilla Support
Dec 11, 2021 · This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser.
Websites don't load - troubleshoot and fix error messages
Sep 2, 2025 · The problem happens in all web browsers This is probably a problem with your Internet connection. See Firefox and other browsers can't load websites for some troubleshooting …
Troubleshoot Mode Thunderbird | Thunderbird Help
Feb 21, 2025 · Turn off the hardware acceleration in Thunderbird's settings: Click ≡ > Settings > General, then uncheck Use hardware acceleration when available. What does Troubleshoot Mode …
Troubleshoot Firefox crashes (closing or quitting unexpectedly)
Sep 19, 2025 · If you've tried the steps above and can't get Firefox to stop crashing, the instructions below will show you how to get the crash Report IDs for your most recent submitted crash reports, so …
Choose your preferred PDF viewer in Firefox | Firefox Help
Feb 27, 2025 · When Firefox is set as the default PDF viewer, it automatically opens PDF files in the built-in viewer. However, you can choose to use another application to view your downloaded PDF …
Firefox does not work - Common fixes to get you back up and running
Feb 9, 2022 · Do you have days where Firefox just doesn't work? Well, we put together this guide to help. It'll show you where you can find solutions to many common issues and, as always, if you need …
How to fix preferences that won't save | Firefox Help
Sep 19, 2025 · This article tells you how to fix issues where Firefox can't save some or all of the preference settings that you try to change.
Troubleshoot and diagnose Firefox problems - Mozilla Support
Sep 19, 2025 · Often you can open the program's settings, remove Firefox from its list of allowed or trusted programs, and it will be re-detected and things should start working again. See Configure …
Open to a blank page, can't use ANYTHING - Mozilla Support
Oct 1, 2021 · I open Firefox and have a blank page. Can't open settings, options, go to any websites. Other browsers work. Tried reinstalling, restarting computer. I try to use Troubleshooting mode BUT …