Unable to run firefox setup

Could that be causing the problem? It is possible that security software anti-virus, firewall is causing the problem. Try to disable security software temporarily to see if that makes a difference.

A big "Thank You" to those who replied to my query, I have now been able to load the latest version of Firefox. It would appear the problem was a conflict with antivirus software, which was also an out of date version.

I would not have solved this problem without your support and patience, Cheers!! Search Support Search. It may be missing or inaccessible it usually means Search Support Search. Home Firefox Fix slowness, crashing, Firefox crashes Firefox won't start. This article describes what to do if Firefox doesn't open when you click the Firefox icon. If you get a message you can dismiss e.

If Firefox starts but won't load any websites, see Websites don't load - troubleshoot and fix error messages. Note: The Refresh Firefox feature can fix many issues by restoring Firefox to its default state while saving your essential information. Consider using it before going through a lengthy troubleshooting process. Table of Contents 1 Specific error messages 1. It may be missing or inaccessible 1. Failed to read the configuration file This error is caused by a problem with Firefox program files.

Uninstall Firefox. See How to install Firefox on Windows for details. There was an error launching the application This error indicates that either Firefox is not installed or your shortcut to it is incorrect.

If Java Web Start Launcher is not already set as the default app, select the default app or Choose a default. Java Web Start Launcher should now be in the list. Select Java Web Start Launcher. Type Java. Select Configure Java. On the general tab, select Settings Select Delete Files Select OK. Restart Firefox. Joseph Y. Independent Advisor. My name is Joseph. I'm an independent advisor. I'll be happy to help you out today. I would suggest you refer to the below steps and check if it helps to resolve the issue.

Option 1. Via Control Panel. Press Windows key and type in "Control Panel".