09:12:43 163	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
10:49:17 689	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
18:00:30 570	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:09:05 107	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:31:48 314	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:06:41 660	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
