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

This thread was archived. Please ask a new question if you need help.

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

  • 3 replies
  • 2 have this problem
  • 1 view
  • Last reply by Vivek

chinamoe69
chinamoe69
more options

TypeError: Components.classes [cid] is undefined

TypeError: Components.classes [cid] is undefined

Chosen solution

Hi,

Please check if this happens in Safe Mode.

Read this answer in context 👍 0

All Replies (3)

Vivek
Vivek
more options

Chosen Solution

Hi,

Please check if this happens in Safe Mode.

chinamoe69
chinamoe69 Question owner
more options

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

Vivek
Vivek
more options

Is it still repeating?