Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

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

Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.

I have a message (Java Script Application Type Error:this.tlbrRef.mntrIntrnErr is not a function) when I opened the firefox version 12

  • 2 ŋuɖoɖowo
  • 13 masɔmasɔ sia le wosi
  • 4 views
  • Nuɖoɖo mlɔetɔ cor-el

brasilian40
brasilian40
more options

I have a message (Java Script Application) Type Error:this.tlbrRef.mntrIntrnErr is not a function) when I opened the firefox version 12

I have a message (Java Script Application) Type Error:this.tlbrRef.mntrIntrnErr is not a function) when I opened the firefox version 12

All Replies (2)

philipp
philipp
  • Moderator
more options

hello, please try removing all toolbars in firefox > addons > extensions and in the windows control panel...

Remove a toolbar that has taken over your Firefox search or home page

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

See also: