09:41:46 037	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:27:24 117	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
11:40:41 565	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
11:53:48 721	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
11:53:49 009	Error:EnumerateHub-->CreateFile failed,err=0x2
14:56:39 011	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
