09:56:05 205	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:57:42 458	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:58:01 960	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:02:42 905	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:03:52 325	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:03:52 553	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:03:52 782	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:05:14 918	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:05:18 565	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
