Wmpnscfg.exe is one kind of EXE file that is related to MSDN Disc 3715. It is created by Microsoft for the Windows Operating System. It is created for Windows and we don't know whether it is malicious, but it is very popular EXE file.
So it will be used by cyber criminals for distributing malware or viruses which are really malicious and dangerous to target computer system. After getting inside, they will soon make modifications of your system settings and created files with the same name of Wmpnscfg.exe so as to escape the detection of Wmpnscfg.exe. What's more, it will change your critical system files and drop malicious codes to your system to mess up your computer system.