Windows sudo is a program for Windows Vista that will launch an application as an Administrator.
Usage: sudo COMMAND
Requires: Windows Vista, Microsoft .NET Framework 3.0 or later.
License: GNU General Public License version 3
Download binary: Windows_sudo-126.96.36.199-bin.zip
Download source: Windows_sudo-188.8.131.52-src.zip
You can put sudo.exe in C:\Windows\ to allow access from the Run dialog or Command Prompt.
You will need to confirm the UAC prompt that appears when running this application.