Getting this error when I run Guiminer.  It does CPU OK but not when i select [0-0 Caicos] as my device


I have downloaded and ran from amd's website
12-10_vista_win7_win8_64_dd_ccc_whql_net4 and
AMD-APP-SDK-v2.7-Windows-64

I have an AMD Radeon 6450 on an i7 Windows 7 64 Bit desktop

Message from console

2012-11-28 12:51:57: Listener for "Default" started
2012-11-28 12:51:59: Listener for "Default": 28/11/2012 12:51:59, ADL_Adapter_Active_Get failed, cutoff temperature disabled for 0:0:Caicos
2012-11-28 12:51:59: Listener for "Default": Traceback (most recent call last):
2012-11-28 12:51:59: Listener for "Default": File "poclbm.py", line 78, in <module>
2012-11-28 12:51:59: Listener for "Default": File "OpenCLMiner.pyo", line 100, in initialize
2012-11-28 12:51:59: Listener for "Default": File "OpenCLMiner.pyo", line 129, in __init__
2012-11-28 12:51:59: Listener for "Default": TypeError: 'NoneType' object has no attribute '__getitem__'
2012-11-28 12:54:24: Listener for "Default" shutting down