13:56:58 825	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:35:17 405	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:39:09 693	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:52:38 689	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:01:34 036	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:07:28 640	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:03:30 784	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
