Join us to show up for other Firefox users 🦊. Earn fun badges and Mozilla swag vouchers! Find out more: https://mzl.la/askafox150

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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

Ever since I upgraded to Foxfire 9.0,I now have a Javascript error,Why?

  • 3 ŋuɖoɖowo
  • 2 masɔmasɔ sia le wosi
  • 177 views
  • Nuɖoɖo mlɔetɔ Vivek
  • Wo ɖo eŋu

TypeError: Components.classes [cid] is undefined

TypeError: Components.classes [cid] is undefined

Ŋuɖoɖo si wotia

Hi,

Please check if this happens in Safe Mode.

Xle ŋuɖoɖo sia le goya me 👍 0

All Replies (3)

Ɖɔɖɔɖo si wotia

Hi,

Please check if this happens in Safe Mode.

Didn't seem to make any difference, restarting in safe mode with add- ons disabled or not

Is it still repeating?