16:53:25 177	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:22 448	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:23 522	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:26 493	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:30 231	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:31 512	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:24:32 976	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:26:20 435	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:26:33 822	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
