Description: File ntsystem.exe is located in the folder C:\Windows\System32. The file size on Windows XP is 4,096 bytes. There is no file information. Program starts upon Windows startup (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run). ntsystem.exe is not a Windows core file. The program has no visible window. ntsystem.exe is an unknown file in the Windows folder. Therefore the technical security rating is 68% dangerous, however also read the users reviews.