09:03:37 169	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:48:27 041	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
13:31:37 806	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
13:31:37 830	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:25:22 813	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:04:34 582	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
