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

When I run the new 4.0 it says publisher cannot be verified, then it says the file is currupt

  • 1 reply
  • 9 have this problem
  • 1 view
  • Last reply by cor-el

more options

When I download the new 4.0 version of firefox it says that the publisher couldn't be verified, followed by a message that says "file corrupt"

When I download the new 4.0 version of firefox it says that the publisher couldn't be verified, followed by a message that says "file corrupt"

All Replies (1)

more options

It is possible that your anti-virus software is corrupting the downloaded files or otherwise interfering with downloading files by Firefox.

Try to disable the real-time (live) scanning of files in your anti-virus software temporarily to see if that makes downloading work.