09:38:01 060	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:35:36 246	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:45:24 505	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:45:35 050	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
17:03:49 646	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
17:08:48 713	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
