20:35:13 592	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:35:17 067	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:35:38 490	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:53:37 721	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:53:37 955	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:55:02 189	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:55:03 373	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:55:07 604	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
21:04:43 761	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
21:04:48 420	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
