Step 2: Find Firefox under the Processes tab in the Task Manager page. Step 1: Press Ctrl + Shift + Esc keys at the same time to open the Task Manager. You should remember to delete all Firefox files, because only uninstalling Firefox cannot solve the issue. Therefore, the best way to fix Firefox will not open error is to reinstall the browser. However, considering that we don’t receive any error message, it is very hard to check the exact file that causes the error. For the damaged files, the common solution is to utilize a faulty-free copy to replace them. You may be also interested in this: Windows 10 Notifications Tell Firefox Users to Use Edge Solution 1: Reinstall FirefoxĪs corrupted/damaged files are mainly responsible for Firefox won’t open Windows 10 error, you should consider reinstalling Firefox.
In this case, you can remove add-ons to fix the issue. However, these add-ons may result in Firefox to misbehave as well especially when they aren’t coded well and have bugs within them.
Many Mozilla Firefox users complain that Firefox will not open even they double click the icon and run the browser as administrator. Possible Causes of Firefox Won’t Open Error Solution 2: Remove Logitech Cam Drivers.Possible Causes of Firefox Won’t Open Error.Are you also bothered by it? This post of MiniTool will analyze the causes of Firefox not opening issue and offers you some solutions. According to user reports, Firefox won’t open is a vexing problem for plenty of Mozilla Firefox users.