Why mozilla firefox wont open

Getting error messages when you try to load up a website? Here's a few articles to help fix specific connection problems. Sometimes tracking down the source of these kinds of problems is difficult. We have a community of volunteers ready to help you figure it out.

Grow and share your expertise with others. Configure firewalls so that Firefox can access the Internet. Hi FredMcD, thanks for your suggestions.

I tried removing Firefox from McAfee's firewall list for some reason it was in the list twice , but still no luck. I also followed the instructions in the link you supplied re.

In case anyone comes across this later, it was Firefox 71 that seems to be the culprit. I rolled back to Firefox No idea why Firefox 71 was so broken for me. Did you try using something like Revo Uninstaller? I was recommended to try that so that it clears out any lingering registry entries. In the end I didn't need to, as Turns out there's iseguard To check your connection settings in Firefox :.

In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options Preferences. Click the menu button and select Settings. This is probably a problem with your Internet connection. See Firefox and other browsers can't load websites for some troubleshooting suggestions.

Based on information from Error loading websites mozillaZine KB. Grow and share your expertise with others. Answer questions and improve our knowledge base. If you're having the same problems loading websites on every browser, these are some possible causes and ways to fix them. If your program is listed at the Configure firewalls so that Firefox can access the Internet article, you can get specific instructions for how to properly reconfigure it.

Malware short for "malicious software" can cause problems with Firefox. Periodically, you should scan your system for viruses, spyware, or other malware. For more information, see Troubleshoot Firefox issues caused by malware. Grow and share your expertise with others. Answer questions and improve our knowledge base.

Search Support Search. Home Firefox Fix slowness, crashing, Procedures to diagnose and Troubleshoot and diagnose Firefox problems. Redirected from Basic Troubleshooting. Table of Contents 1 1. Restart your computer 2 2. Clear your cookies and cache 3 3. Restart Firefox in Safe Mode 4 3.

Restart Firefox in Troubleshoot Mode 5 4. Reinstall Firefox 6 5. Refresh Firefox 7 6. Create a new Firefox profile 8 Other solutions 8.