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A Problem with Firefox in High Sierra - Apple Community
Topic Fix slowness, crashing, error messages and other problems. System Details More system details. Application User Agent: Wesley Branton Top 25 Contributor solutions answers. Chosen Solution What happens when you attempt to visit a website? What happens when you attempt to visit a website?
New Fx Menu]], click Help [[Image: Help]] and select ''Restart with Add-ons Disabled''. Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut. Hold the '''option''' key while starting Firefox. SafeMode-Fx35]] '''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, theme, or hardware acceleration.
Please follow the steps in the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause. Question owner Thank you Wesley Branton for your reply to my message. It is recommended to prevent the expansion of the cache file, which makes Firefox sluggish, by changing the browser settings to cleaning it automatically upon each closing.
This can be done in seven simple steps:. Try MacFly Pro. Main Menu. Although the causes may vary, they fall into the following categories: An old version of Firefox is used;.
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A computer is slow in general. The first recourse is to force quit the browser. To this end: In the pop-up window, click on the Force Quit button to close Firefox. What needs to be done next is to open the browser and check its version. To do so: When the updates are downloaded, click on the Restart to Update Firefox button to initiate the installation of the latest version of the browser.
To get rid of the drop in performance precipitated by misconfigured settings and the update, do the following: Launch the browser;.
Why Firefox Freezes Mac and How to Fix the Issue?
Click on the Firefox Menu button and chose the Troubleshooting Information tab alternatively, type about: Click the Refresh Firefox button;. In the pop-up window click on the Finish. 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 hourglass when it's over the Firefox window.
Also, the mouse becomes a spinning wait cursor when it's over the Firefox window.
This article gives you solutions to Firefox hangs depending on when they happen. 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. If Firefox seems to hang randomly and not after a specific action for example, downloading a file or quitting Firefox , try the solutions in this section. If hangs are periodic , it may be caused by a corrupted places database.
Click the menu button , click Help and select Troubleshooting Information. From the Help menu, choose Troubleshooting Information. The Troubleshooting Information tab will open. Click the menu button and then click Exit Quit. Click the Firefox menu , then click Exit. Click the Firefox menu at the top of the screen, then click Quit Firefox. Click the Firefox menu , then click Quit. With some graphics card and graphics driver setups, Firefox may hang when using hardware acceleration. You can try turning off hardware acceleration to see if it fixes the problem.
If the problem is no longer happening, then hardware acceleration was likely the cause. You can try updating your graphics drivers to see if that fixes it or simply run without hardware acceleration. For information on troubleshooting plugins and on determining whether a plugin is causing your problem, see the Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems article. Firefox may be slow to respond or hang if multiple copies of its Session Restore file have been created:. If you're using a proxy auto-config file PAC , Firefox may hang when you attempt to load sites that don't exist or that you haven't opened recently.
Step-by-Step Instructions to Fix Firefox Running Slow or Freezing Issues
To determine if you use an automatic proxy configuration file:. See Playing Flash videos makes Firefox hang. The latest Firefox versions includes improvements in memory usage, especially during long sessions.