14:57:55 336	<LAYER 4-5> ERROR:GetDrive-->CM_Get_Child(instance:6148) failed,err=0xd
15:20:06 334	<LAYER 4-5> ERROR:GetDemoDrive-->QueryVolume failed
15:20:35 284	<LAYER 4-5> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
15:20:35 284	<LAYER 4-5> ERROR:GetDemoDrive-->Get PDOName failed
15:22:23 517	<LAYER 4-5> ERROR:GetDrive-->CM_Get_Child(instance:6632) failed,err=0xd
