15:51:21 378	<LAYER 2-1-2> ERROR:GetProperty-->SetupDiGetDeviceRegistryProperty failed,GetlastError(0xe000020b)
15:51:21 378	<LAYER 2-1-2> ERROR:GetDemoDrive-->Get PDOName failed
15:51:21 885	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
15:51:22 388	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
15:55:23 446	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
15:55:23 946	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
15:55:24 448	<LAYER 2-1-2> ERROR:GetDemoDrive-->QueryVolume failed
16:50:48 483	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:00 303	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:05 297	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:08 710	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:13 045	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:19 620	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:51:24 726	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:26:56 735	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:26:59 220	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:23:56 592	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:24:45 058	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:24:45 975	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
