Go to the General tab from the left and look for the Performance entry.From Firefox’s top-right corner, click on the Menu icon and select Settings.Disable hardware acceleration from Firefox This is a valuable fix, especially when Firefox is not responding on startup. And a restart might be the perfect solution for reinitiating everything. If Firefox is not responding, something has stopped its processes. Now open Firefox again and see if it works as it should.If you can’t see the process, that means that Firefox closed with the usual method from the first step. Now find Firefox in the list of processes, right-click on it and select End task.To ensure its processes are closed, right-click the Taskbar and select Task Manager from the list.Click on the X button from the window’s top-right corner to close Firefox.What can I do if Firefox is not responding on Windows 10 & 11? 1. The browser slowed downĪfter a while, the browser can slow down a little, and should you notice that the effect had intensified before it stopped responding, we advise reading our solutions from our article on what to do if Firefox slows down in Windows 10.Īgain, many of the fixes work on Windows 10 and 11 with slight differences in the design of the windows. Luckily, we also have the perfect guide on what to do if Firefox had a problem and crashed in Windows 10/11, but our solutions below will also address this issue.

If Firefox started to freeze and stopped responding after a few crashes, that can explain a file corruption problem in the app. We have an article that shows you why Firefox is too much memory and how to fix it, and you will get the problem solved in no time. So, before getting into any other troubleshooting, close some of the tabs you have opened and see if that solves the problem. When you have a lot of tabs open, they consume RAM, and when the system runs out of memory, the software stops responding. That is why we suggest that before going into the solutions we prepared for you, to eliminate some possibilities. This problem with Firefox freezing and not responding may be triggered by many possible causes, from lack of memory to file corruption or incomplete installation.

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