09:57:48 004	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
11:07:51 790	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:22:24 251	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
15:51:10 204	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:09:30 090	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:19:08 104	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
