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Fix Firefox Memory Leak

by Oscar Sodani
August 30, 2005

Oscar Sodani is a founder of Help2Go and owner of Help2Go Networks, an IT consulting firm in the Washington D.C. area. Oscar holds the CISSP certification as well as industry certifications from Microsoft, Cisco and Novell.

Versions of Firefox before 1.5 tend to use more and more of your system's RAM as time goes on. Geeks call this problem a "memory leak." This particular memory leak is not the fault of Firefox - the Macromedia Flash plug-in is causing this problem!

To fix it, just follow these steps:

  • In your location bar, type about:config and press Enter
  • Right-click on the screen to bring up a menu, click on New then choose Integer
  • A pop-up box will ask you for the "preference name". Type in browser.cache.memory.capacity and click OK
  • Another pop-up box will appear - type in the number 60000
  • Close Firefox and restart the program. No more memory leak!






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