09:07:30 219	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:13:09 982	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:13:10 233	Error:EnumerateHub-->CreateFile failed,err=0x2
10:10:12 464	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:10:12 681	Error:EnumerateHub-->CreateFile failed,err=0x2
10:10:13 682	Error:EnumerateHub-->CreateFile failed,err=0x2
11:11:16 064	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
