You could also try this as a sanity check to confirm group memberships:
Code:
Break ON
$=SetOption("Explicit","ON")
$=SetOption("WrapAtEOL","ON")

Dim $iIndex, $sGroup

$iIndex=0
$sGroup=EnumGroup($iIndex)
While Not @ERROR AND $sGroup
"Member of group '"+$sGroup+"'"+@CRLF
$iIndex=$iIndex+1
$sGroup=EnumGroup($iIndex)
Loop