Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Firefox 4.0 uses 50 - 100% CPU

  • 1 பதிலளி
  • 3 இந்த பிரச்னைகள் உள்ளது
  • 1 view
  • Last reply by the-edmeister

chrissydid
chrissydid
more options

Update to Firefox 4.0. Firefox now using 50-100% CPU almost all the time. Browser cannot handle more than a couple open tabs. Browser freezes, hangs, etc. Only solution to force quite the program and restart.

Update to Firefox 4.0. Firefox now using 50-100% CPU almost all the time. Browser cannot handle more than a couple open tabs. Browser freezes, hangs, etc. Only solution to force quite the program and restart.

All Replies (1)

the-edmeister
the-edmeister
  • Moderator
more options

http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes