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

Firefox has failed to start because its side by side configeration is incorrect

  • 1 reply
  • 6 have this problem
  • 5 views
  • Last reply by Vivek

more options

i have reinstalled fire fox several times and i continue to get this message when i try to start it c\program files (x86) mozilla firefox\firefox exe.

firefox has failed to fire because its side by side configeration is incorect please see tahe application event log or use the command line .......

i have reinstalled fire fox several times and i continue to get this message when i try to start it c\program files (x86) mozilla firefox\firefox exe. firefox has failed to fire because its side by side configeration is incorect please see tahe application event log or use the command line .......

All Replies (1)

more options

Hi,

Please see this.