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

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

To solve another problem, I need to reset my user agent. But when I type about:config in the address bar, all I get is a Firefox window that has the text "config" on the page and nothing else. No text or fields or ANYTHING. What can i do short of unins

  • 2 valiny
  • 0 manana an'ity olana ity
  • 2 views
  • Valiny farany nomen'i AnonymousUser

more options

Firefox 3.6.3 Windows XP Otherwise browses OK.

User Agent

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Firefox 3.6.3 Windows XP Otherwise browses OK. == User Agent == Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

All Replies (2)

more options

It kinda cut you off in the title... I can help if you tell me the rest of it.

more options

Make sure that you type about:config in one word and without any spaces in the location bar.

You can also use "Reset all user preferences to Firefox defaults" on the Safe mode start window - See http://kb.mozillazine.org/Resetting_preferences