09:43:35 476	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:43:35 513	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:06:17 601	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:06:20 897	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:02:25 842	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:46:50 523	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
