Then, go to Help and click on About Firefox. At the next startup, open Firefox again and click the Menu icon in the top-right corner. Once you manage to close the unresponsive application, go ahead an restart your operating system.

However, you can easily close the program through Task Manager by pressing Ctrl + Shift + Esc. Then, go to the Processes tab, select Firefox and click the End task button. Once Mozilla Firefox becomes unresponsive, you won’t be able to close it the conventional way (via the close icon). If the error is caused by an internal bug or by a corrupted internal file forcing the client to update will resolve most of those errors.

If you rarely experience instability, a temporary fix will be to force close Firefox and initiate a restart. Please follow each potential fix in order until you encounter a method that is successful in solving the problem for your particular situation. Below you have a collection of fixes that users in a similar situation have used to resolve the issue. The good news is that regardless of the culprit that is causing the instability, you will resolve the issue before you finish troubleshooting with the methods featured in this article. Firefox profile folder doesn’t have the right to create files (read-only permission).Too many freeware converters are running at once within Firefox (pdf to word, jpeg to png, word to pdf, etc.).Intrusive or untested plug-ins are causing the instability.Malicious or intrusive files made their way into the installation folder or in the cache memory.Most users complain about getting frequent freeze ups with “Not Responding” messages.Īlthough this problem is by no means exclusive to Windows 10, a lot of users report that it first started occurring after they installed a major update like Anniversary update on Windows 10.Īlthough the reasons why your Firefox browser might malfunction are diverse, there are a few common culprits that seem to be responsible for the freezes and crashes of the browser: A surprising amount of users report having problems with Mozilla Firefox on Windows 10, considering the fact that this browser is widely considered the stablest out of the bunch.

Mozilla firefox not responding win 10