15:13:04 212	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:14:22 069	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:33:44 503	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:33:45 706	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:33:46 438	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:35:48 479	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
