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

how to fix java script error in fire fox desktop browser

  • 1 svar
  • 1 har dette problemet
  • 1 view
  • Siste svar av philipp

more options

this is the message i keep getting / Error: 'navigator' getter called on an object that does not implement interface Window.

can someone help me with this thanks.

this is the message i keep getting / Error: 'navigator' getter called on an object that does not implement interface Window. can someone help me with this thanks.

All Replies (1)

more options

hello ljg45, this is likely caused by an outdated extension in your firefox configuration. in order to test that, you could try to launch firefox in safe mode once and see if the issue is reproducible there... Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

in this thread a few other affected users have named addons which were causing this problems for them: https://support.mozilla.org/en-US/questions/1041290