14:54:19 078	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:54:40 688	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:54:41 759	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:55:07 954	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:55:11 727	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:55:13 508	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:57:37 601	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:04:39 295	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:04:41 577	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:04:42 278	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
