13:45:51 204	<LAYER 1-2> ERROR:GetDemoDrive-->QueryVolume failed
13:46:16 054	<LAYER 1-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
13:46:16 059	<LAYER 1-2> ERROR:GetDemoDrive-->Get PDOName failed
13:47:22 509	<LAYER 1-2> ERROR:GetDrive-->CM_Get_Child(instance:56) failed,err=0xd
13:48:04 633	<LAYER 1-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
13:48:04 642	<LAYER 1-2> ERROR:GetDemoDrive-->Get PDOName failed
