Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

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

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

  • 3 பதிலளிப்புகள்
  • 2 இந்த பிரச்னைகள் உள்ளது
  • 3 views
  • Last reply by Vivek

TypeError: Components.classes [cid] is undefined

TypeError: Components.classes [cid] is undefined

தீர்வு தேர்ந்தெடுக்கப்பட்டது

Hi,

Please check if this happens in Safe Mode.

Read this answer in context 👍 0

All Replies (3)

தீர்வு தேர்ந்தெடுக்கப்பட்டது

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?