>>>As far as I know sys(0) returns "computername#username".
>>>
>>>

>>> cComputerUser = Sys    (0)
>>> cComputer     = Left   (cComputerUser, At ("#", cComputerUser) - 2)
>>> cUser         = Substr (cComputerUser, At ("#", cComputerUser) + 1)
>>>
>>> MessageBox ("ComputerName: " + cComputer + " User Name: " + cUser)
>>>

>>
>>This much I do know. The problem is that the SYS(0) is NOT returning the current logged on user, but the user name that was assigned when the OS was installed.
>
>Maybe you (or someone else) changed the user name from "User" to whatever it is now:
>
>http://answers.microsoft.com/en-us/windows/forum/windows_7-security/how-to-change-user-name-in-windows-7-professional/d95ddaa7-4235-454e-83d6-77232207c7e2
>
>A name change is cosmetic, a lot of underlying stuff doesn't get changed. If SYS(0) is relying on something that doesn't get changed, that might explain what you're seeing.

Thanks for tips.