System,HasUAC
This command will set the variable to true if Vista / Win 7 UAC ( User Account Control ) is enabled.
Syntax
System,HasUAC,<%var%>
Remarks
This is necessary, since UAC can cause problems while building some projects.
Example:
System,HasUAC,%var%
If,%var%,Equal,True,begin
Message,"Error: UAC is enabled. This may cause problems when building.",INFORMATION,15
Halt,"Error: UAC is anabled. This may cause problems when building. "
End