18:27:27 384	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:28:39 251	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:28:39 471	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:28:39 702	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:28:39 938	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:30:42 135	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:30:42 373	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:30:42 602	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:30:42 822	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
