IsAdmin
This program is FREEWARE.
IsAdmin is the easiest way to find out if you're logged in with Administrator privileges. The associated username is also shown.
Screenshot:

MD5: 984DFC2FF57CD7674207AC335E1C77AF
Supported Operating Systems:| Client | Windows NT, Windows 2000, Windows XP, Windows Vista, Windows 7 |
| Server | Windows NT Server, Windows 2000 Server, Windows Server 2003, Windows Vista Server |

Related websites:
MSDN: Running with Administrator Privileges (Security)
WindowsNetworking: Running Under Non-Admin Accounts
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