10:03:04 201	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:03:07 348	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:03:55 769	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:04:02 570	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:03:19 559	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
