20:50:09 445	<LAYER 4-5> ERROR:GetDrive-->CM_Get_Child(instance:6632) failed,err=0xd
20:51:28 891	<LAYER 4-5> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
20:51:28 891	<LAYER 4-5> ERROR:GetDemoDrive-->Get PDOName failed
20:54:28 247	<LAYER 4-5> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
20:54:28 247	<LAYER 4-5> ERROR:GetDemoDrive-->Get PDOName failed
21:23:40 435	<LAYER 4-5> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
21:23:40 445	<LAYER 4-5> ERROR:GetDemoDrive-->Get PDOName failed
