We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

I keep getting a message saying Performance alert high memory usage by firefox what can I do about this. Patricia

  • 1 reply
  • 29 have this problem
  • 1 view
  • Last reply by cor-el

more options

I have gone into the History and deleted all the pages would this help reduce the memory usage.

I have gone into the History and deleted all the pages would this help reduce the memory usage.

All Replies (1)

more options

Do a malware check with some malware scan programs.
You need to scan with all programs because each program detects different malware.
Make sure that you update each program to get the latest version of the database before doing a scan.

See also "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked and What to do when searches take you to the wrong search website