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.

I get this message everytime I open Firefox: "[JavaScript Application]" and the message is: "TypeError: test is undefined."

  • 1 reply
  • 1 has this problem
  • 2 views
  • Last reply by cor-el

Grob23
Grob23
more options

I get this message everytime I open Firefox: "[JavaScript Application]" and the message is: "TypeError: test is undefined."

I get this message everytime I open Firefox: "[JavaScript Application]" and the message is: "TypeError: test is undefined."

All Replies (1)

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

This issue can be caused by an extension that isn't working properly.

Start Firefox in Safe Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).