09:25:11 748	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x1f
10:04:46 917	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:04:54 850	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:14:17 061	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:14:23 709	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
