How to Enter UAC Credentials on Secure Authentic Vista Logon Screen
Information
| | This will show you how to increase UAC Credentials privacy and security. |  |
WARNING
| | This will only work if you have access to Gpedit.msc (Group Policy). The Vista Home Basic and Home Premium editions do not have this feature. |  |
EXAMPLE: When you follow this tutorial, UAC will ask for credentials like this. . .

Here's How:Step One:First, you will need to open the Local Group Policy Editor.
Step Two:Second, Click Computer Configuration, Administration Templates, Windows Components, Credential User interface. If you cannot see these tabs, scroll down to Steps Two & Three Screenshot.
Step Three:Third, Set Require trusted path for credential entry to enabled.
Steps Two & Three Screenshot

Step Four:
Close the Group Policy Editor, you will now have to enter your credentials on a logon screen for added security!
End Of Tutorial! 