Mozilla Firefox Help

  All of your personal settings, bookmarks, and other information are kept in your  Firefox profile . Firefox needs an unlocked profile to start up, and if the profile is locked, it displays the message,  Firefox is already running, but is not responding . This article explains what to do if you see this message and how to prevent it from showing at startup.  Mozilla Firefox not Responding End Firefox processes If Firefox did not shut down normally when you last used it, Firefox might still be running in the background, even though it is not visible.  If you try to open it while it's running, an error message will appear with the option to click  Close Firefox . If that doesn't solve the problem, restart your computer or try the following options. Use the Windows Task Manager to close the existing Firefox process Right-click on an empty spot in the Windows task bar and select  Task Manager  (or press  Ctrl + Shift + Esc ). When the Windows Ta...

  Many Windows users will agree that Mozilla Firefox is one of the best browsers for Microsoft’s operating system. However, like any other application, it is also susceptible to various issues. What if Mozilla Firefox won’t open? What if the browser’s too slow? In this article, we will discuss some of the common problems that people encounter when using Firefox. We will also teach you how to fix Firefox not responding and other issues that may prevent you from enjoying the browser’s full potential. Common Firefox Issues When it comes to solving problems, the best approach is to gain a good understanding of the issue. So, let’s discuss some of the common complaints that Firefox users have reported.  Mozilla Firefox not Responding Firefox won’t open – In most cases, this problem happens when there is something wrong with the user’s Firefox profile. This issue can be fixed by recreating the profile. High CPU usage causes problems on Firefox – You might notice high CPU usage, whic...

When Firefox  hangs , it stops responding to your clicks and keystrokes and doesn't seem to be doing anything.  Also, a "(Not Responding)" label is displayed in the title bar and the mouse cursor becomes a spinning wheel when it's over the Firefox window.  This article gives you solutions to Firefox hangs depending on when they happen.  Mozilla Firefox not Responding If Firefox uses a lot of computer resources, see the solutions proposed in Firefox uses too much memory or CPU resources - How to fix. If you get a "Warning: Unresponsive script" prompt, see Warning Unresponsive script - What it means and how to fix it. If Firefox closes unexpectedly, see Troubleshoot Firefox crashes (closing or quitting unexpectedly). To resolve hanging problems not specifically mentioned in this article, or if the suggested solutions do not solve the problem, see Troubleshoot and diagnose Firefox problems. Firefox hangs at random times If Firefox seems to hang rando...