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

After updating Firefox to 3.6.14 it will not start, not even in safe mode after rebooting. Task Manager shows no Firefox running. I tried uninstalling Firefox & then reinstalling it. Stll won't start.

  • 1 reply
  • 21 have this problem
  • 2 views
  • Last reply by rossnixon

more options

I get only an error message: " XULRunner- Error: Platform version 1.9.2.13 is not compatible with minVersion >=1.9.2.14 maxVersion<=1.9.2.14 "

My system: Windows XP I've tried the tips on the Firefox help pages.

I get only an error message: " XULRunner- Error: Platform version 1.9.2.13 is not compatible with minVersion >=1.9.2.14 maxVersion<=1.9.2.14 " My system: Windows XP I've tried the tips on the Firefox help pages.

All Replies (1)

more options

I withdraw my 'I have this problem too'. My error was different, but a restart fixed whatever it was.