How to prevent or work around high CPU usage in Firefox to prevent systems freeze – 100% resolved!

If you are a fan of Firefox, you would have noticed (almost usually, depending on the speed of your machine) that at some point during your work, you will start experiencing an annoying freezing of your system. Your computer suddenly start running very slow. And when you view your task manager (pressing ctrl-shift-esc), on the processes section you discover that firefox consumes a lot more of your systems resources (memory and cpu) as shown below:

firefox

There are many reasons for Firefox hanging and/or using excessive memory. Plugins and extensions, which are not part of the default Firefox install may cause this. Poorly optimized sites which load several images and ads may cause this. These are inevitable.

Follow the following procedure to work around it. NOTE: It is only the extension that should be disabled. You don’t need to remove your anti-virus software.

  1. At the top of the Firefox window, click on the Tools menu and select Add-ons. The Add-ons window will appear.
  2. Select the Extensions panel.
  3. In the Extensions panel, select AVG Security Toolbar (for those using AVG antivirus).
  4. Click the Disable button.
  5. Repeat 3 and 4 above for the rest of the extensions you feel you don’t need that may be causing firefox to freeze/hang.
  6. Click Restart Firefox. Firefox will close, then open with the extensions disabled.

Other things you may do include:

  • Cut down on the number of extensions used. More specifically, try to remove those extensions which access internet to update information for each site(Alexa toolbar, PR tools, StumbleUpon toolbar etc.). This is because such extensions often hang up Firefox while they look up the information online.
  • Download and install the latest version of the Flash plugin .
  • Try updating Adobe Reader.
  • The more number of open tabs you have, the high will be the memory usage. Close unwanted tabs and see if that resolves the problem.
  • Firefox may use high memory usage because of the problems with extensions, themes or plug ins. Try disabling, updating or removing them.
  • Remove temporary files and history of Firefox often.. Too much of history and temporary files may cause Firefox to run extremely slow.
  • Another reason for a Firefox crash is the download history file. If there’s a problem with the file, it will cause Firefox to crash. How do you fix the problem? Search for the downloads.rdf file. When you locate it, delete it from your system. You may need to search in your hidden and system files area so that the download history file doesn’t escape your attention.

 

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One Response to How to prevent or work around high CPU usage in Firefox to prevent systems freeze – 100% resolved!

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