10:41:17 874	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
11:33:23 842	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
13:34:12 531	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
14:58:10 176	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:21:16 072	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:50:52 276	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
16:59:16 336	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
17:07:59 765	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
20:07:34 654	Error:EnumerateHubPorts-->DeviceIoControl failed,err=0x48f
