This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox keeps running after closing using 90% plus of CPU, WHY?

  • 1 reply
  • 28 have this problem
  • 1 view
  • Paskiausią atsakymą parašė the-edmeister

more options

Using task manager FIREFOX continues to use a high percentage of CPU after closing it.

Running XP SP3

Exploerer continues to run also but a more reasonable CPU usage

Using task manager FIREFOX continues to use a high percentage of CPU after closing it. Running XP SP3 Exploerer continues to run also but a more reasonable CPU usage

All Replies (1)

more options