09:35:55 974	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:36:11 915	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:43:34 914	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:44:20 623	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:54:02 086	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
09:54:09 786	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:37:54 203	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
