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

Le thread ibilondoloziwe. Nceda ubuze umbuzo omtsha ukuba ufuna uncedo.

Every time I start up Firefox, I receive the following warning/message. Java Script Application. Type Error: Components.classes(cid) is undefined. How do I correct this?

  • 2 iimpendulo
  • 3 inale ngxaki
  • 8 views
  • Impendulo yokugqibela ngu T11646

T11646
T11646
more options

Question Every time I start up Firefox, I receive the following warning/message. Java Script Application. Type Error: Components.classes(cid) is undefined. How do I correct this?

Question Every time I start up Firefox, I receive the following warning/message. Java Script Application. Type Error: Components.classes(cid) is undefined. How do I correct this?

All Replies (2)

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

Do you see a Last 7 days folder?

If not then older history has been deleted.
Firefox 5 doesn't use a time limit to store history like previous Firefox 3 versions did.

T11646
T11646 Umnini wombuzo
more options

Cor-el No 7-day history folder. I delete my history each time I quit Firefox. The problem still exists.