We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

Why will firefox not reinstall? Weather I select current user or run the program as the following, and supply username and password.

  • 1 resposta
  • 52 have this problem
  • 13 views
  • Last reply by ACCakut

more options

Will not let me reinstall firefox. I get ( You may not have the necessary permissions to use all the features of the program you are about to run .You may run this program as a different user or continue to run the program as the current user. )


Current user:

Run the program as the following: Username: Password:


No matter what I select or what username and password I use it will not install.

I get Logon failure: Unknown username or bad password.

Will not let me reinstall firefox. I get ( You may not have the necessary permissions to use all the features of the program you are about to run .You may run this program as a different user or continue to run the program as the current user. ) Current user: Run the program as the following: Username: Password: No matter what I select or what username and password I use it will not install. I get Logon failure: Unknown username or bad password.

All Replies (1)

more options

Right-click the setup-executable and choose "Run as administrator".