It’s not absolutely clear which product this file is part of and who is its author. It’s a hidden file. Nalntsrv.exe is usually located in the %SYSTEM% folder and its usual size is 126,976 bytes.
Disable and delete the nalntsrv.exe process as soon as possible. Most likely it is a virus, a trojan, or some other malware. Before disabling this file make sure it is not a legitimate file that is also called nalntsrv.exe.
Common path(s): %SYSTEM%Keywords(s): hiddenFilesize(s): 126,976 bytes, 114,688 bytes