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

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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.

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