15:30:16 318	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
﻿15:30:16 329	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:46:58 066	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
19:40:08 814	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:19:23 458	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
