09:32:08 396	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:44:54 694	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:16:13 759	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:21:06 768	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:42:26 650	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
