I solved this using WSH instead

lbTest = WshShell.RegRead("HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Categories\MasterList")

>I'm having problems reading a registry value.
>
>At
>HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Categories
>Is MasterList which has a hex value
>
>Using the code below, the GetKeyValue method always returns 234 instead of putting the value into lcUser. Any ideas what I am doing incorrectly? IsKey() says the key is valid.
>
>

>#DEFINE HKEY_LOCAL_USER -2147483647
>loReg = NEWOBJECT("Registry", HOME() + "ffc\registry")
>? loReg.iskey('Software\Microsoft\Office\10.0\Outlook\Categories',HKEY_LOCAL_USER)
>IF loReg.OpenKey('Software\Microsoft\Office\10.0\Outlook\Categories',HKEY_LOCAL_USER) = 0
>	lcUser = SPACE(100)
>	? loReg.GetKeyValue('MasterList',&lcUser)
>ENDIF
>