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When I try to run ActiveHome I get an error message like this: "Autoexec.nt - The system file is not suitable for running MS-DOS and Microsoft Windows applications." What can I do?


The autoexec.nt file has gone missing from the System folder (C:\Windows\System32) or is invalid. The problem may have been caused by a recent software installation, a virus, or spyware.

  • To resolve this error, navigate to the folder C:\Windows\Repair in Windows Explorer.
  • Select autoexec.nt
  • Right-click and select Copy
  • Go to C:\Windows\System32 and type Ctrl+V.
  • This will overwrite the current version of the file with the backup copy.