Firefox hangs on vista

When Firefox hangs, it stops responding to your clicks and doesn't seem to do anything. This article covers the various solutions depending on when they happen. At times, Firefox may require significant system resources to display content.

We'll show you how to fix this if this if it is happening too often. At times, Firefox may require significant CPU resources to display content.

We'll show you options for fixing this if this if it is happening too often. From watching a web tutorial to keeping an eye on your favorite team, your video follows you while you multitask.

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Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products. Mozilla Blog Learn about Mozilla and the issues that matter to us. Some Firefox issues can be caused by a problem with one of the Firefox program files. Follow these steps to completely remove and reinstall Firefox. This process will not remove your Firefox profile data such as bookmarks and passwords , since that information is stored in a different location.

Now start Firefox and check to see if your problem has been fixed. If it hasn't, continue with the next troubleshooting method. Sometimes files in your Firefox profile folder that correspond to the essential information that a Firefox Refresh doesn't remove such as bookmarks and browsing history may be causing the issue. You can create a new, additional profile which will not contain any of your old Firefox data. See the Profile Manager - Create, remove or switch Firefox profiles article for instructions.

If you've tried all of these troubleshooting methods, and you're still having problems, here are some other solutions you can try:. The Firefox Task Manager about:performance page lets you see what tabs or extensions are slowing down Firefox. Telemetry Data shared with Mozilla about:telemetry page contains detailed data about performance, hardware, usage and customization.

The Troubleshooting Information page about:support page includes other about: page links and troubleshooting resources. For a list of all about: pages, enter about:about in the address bar. Some Internet security software including antivirus, antispyware, and firewall programs can cause problems with Firefox including blocking it from opening websites, crashes, and more.

Often you can open the program's settings, remove Firefox from its list of allowed or trusted programs, and it will be re-detected and things should start working again. If your program is listed at the Configure firewalls so that Firefox can access the Internet article, you can get specific instructions for how to properly reconfigure it. Malware short for "malicious software" can cause problems with Firefox.

Periodically, you should scan your system for viruses, spyware, or other malware. Sometimes, the video or audio content in a web page cannot be properly downloaded and displayed in Firefox. This article will help you solve these Firefox handles many types of audio and video content on web pages. This article explains which media formats you can play and how to control, Search Support Search.