15:03:20 626	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:43:32 699	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:14:53 173	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:14:56 348	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:29:38 671	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:29:41 795	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:30:51 738	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:40:48 512	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
17:19:01 054	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
