Occasionally, you might also see it in: C:\Windows\SysWOW64\ (on 64-bit systems running 32-bit components)
While Microsoft uses filenames like wusa.exe (Windows Update Standalone Installer) and wuauclt.exe (Windows Update Auto Update Client) to manage system updates, wup.exe does not belong to the standard Windows architecture. wup.exe
To understand wup.exe , we must first distinguish between legitimate Windows processes and third-party or malicious imposters. Occasionally, you might also see it in: C:\Windows\SysWOW64\