Things you may need..

Flush your token cache for group detection..

In your INGROUP checking, you may need to precede the group with a domain name -
Code:

IF InGroup("DOMAINA\CX_Brio Designer","DOMAINB\COR_CX_Brio Designer","DOMAINB\CX_Brio Explorer","DOMAINB\COR_CX_Brio Explorer")
; ... other code....

_________________________
Utilize these resources:
UDFs (Full List)
KiXtart FAQ & How to's