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

Op het scherm na op uitvoeren te klikken komt er een schermpje administrator waarbij ik een wachtwoord moet ingeven, maar het werkt niet. Hoe kan ik dit oplosse

  • 1 odgovor
  • 2 ima ovaj problem
  • 1 view
  • Posljednji odgovor poslao cor-el

more options

Ik kan het niet installeren :-'(

Ik kan het niet installeren :-'(

All Replies (1)

more options

Is this about installing Firefox?

Download and save the Firefox installer to the desktop and start the installation with a double-click on the desktop icon.

You can find the full version of the latest Firefox 25.0.1 release in all languages and for all Operating Systems here:


Try to boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as to see if that helps.