Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

Says Firefox has corrupt file and to run the chkdsk utility. How do I do this?

  • 1 reply
  • 22 have this problem
  • 1 view
  • Last reply by Svetlana

Nonasgirl
Nonasgirl
more options

I received a notice of "Corrupt File" and it said: "C"/Program Files/Mozilla Firefox is corrupt and unreadable. Run the chkdsk utility." I do not know how to do this.

I received a notice of "Corrupt File" and it said: "C"/Program Files/Mozilla Firefox is corrupt and unreadable. Run the chkdsk utility." I do not know how to do this.

All Replies (1)

Svetlana
Svetlana
more options

Do a clean reinstall like described here.

If that doesn't help, see http://support.microsoft.com/kb/315265

Please let us know of any further progress on this issue.