Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

I can't install your browser. I get a screen that prompt to install as user when I input my username & password nothing happens.

  • 1 tontu
  • 1 am na jafe-jafe bii
  • 6 views
  • i mujjee tontu mooy cor-el

more options

My laptop is running Windows 7. When I click the installer it gives me a pop-up asking to run as Administrator/current user. I only have 1 profile/user on this system. When I input my username & password, nothing happens.

My laptop is running Windows 7. When I click the installer it gives me a pop-up asking to run as Administrator/current user. I only have 1 profile/user on this system. When I input my username & password, nothing happens.

All Replies (1)

more options

Is that an UAC prompt?

Try to run the Firefox installer as Administrator (right-click firefox.exe: Run as Administrator).

You may need to disable your anti-virus software temporarily if you keep having problems.