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

PC desktop has updated but now cannot access Mozilla Firefox.

  • 1 reply
  • 1 has this problem
  • 2 views
  • Last reply by TyDraniu

more options

Firefox.exe - Bad Image Error message: C:\Program Files\Mozilla Firefox\xul.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact ...... Error status 0xc00000020

Please help. I have no idea what to do! Do I delete Firefox and download it again?

Kind regards

Firefox.exe - Bad Image Error message: C:\Program Files\Mozilla Firefox\xul.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact ...... Error status 0xc00000020 Please help. I have no idea what to do! Do I delete Firefox and download it again? Kind regards

All Replies (1)

more options