This is a major problem and it renders your computer pretty much unusable. Luckily enough, many users were able to resolve their instance of the problem by using some of the methods presented below! Make sure you check them out below!
What Causes the Firefox High CPU Usage Problem on Windows?
There aren’t many distinct causes of this problem on Windows. The existing causes can be used to create a list of possible causes for you to check out. Determining the right cause can make the troubleshooting process much easier.
Solution 1: Delete the Current and Create a New Browser Profile
In many instances of this problem, users were able to pinpoint it down to profile issues. Deleting the profile where the users were currently logged in was the right step towards resolving the problem in its entirety. This can be done with Firefox open or closed and we are going to demonstrate both methods for you to check out!
Firefox Open:
Firefox Closed:
No method which method you used, you should be looking at the first screen of the Create Profile Wizard.
Solution 2: Uninstall Suspicious Plugins and Extensions
There might be one or a few suspicious plugins or extensions installed into your Mozilla Firefox browser and you may not be able to use the browser properly until you check to see whether any of these extensions have something to do with the high CPU usage problem. Check out the steps below to troubleshoot this!
Solution 3: Reinstall Your Graphics Card Drivers
Various graphics issues often affect the performance of the Mozilla Firefox browser. These problems are often resolved with new Windows updates but that is not always the case. Either way, you should make sure you have the latest graphics drivers installed on your computer if you want to resolve this problem as soon as possible. Follow the set of steps below to install the latest set of graphics drivers on your computer!
