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

I receive error message:"TypeError: Components.classes[TvtPwmComponent_CID] is undefined." What does this mean and who can help me?

more options

I have a new Lenovo T420i laptop, Windows 7 (64) with FingerPrint logon and Lenovo Password Manger. Each time I launch FireFox, I get the error message in the question. I think this may have something to do with Password Manager, but cannot determine if that is the case or whether this is a matter for Lenovo or Mozilla support.

I have a new Lenovo T420i laptop, Windows 7 (64) with FingerPrint logon and Lenovo Password Manger. Each time I launch FireFox, I get the error message in the question. I think this may have something to do with Password Manager, but cannot determine if that is the case or whether this is a matter for Lenovo or Mozilla support.

All Replies (1)

more options