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The Win16 Subsystem was unable to enter Protected Mode, DOSX.EXE must be in your AUTOEXEC.NT and present in your Path

The Win16 Subsystem was unable to enter Protected Mode, DOSX.EXE must be in your AUTOEXEC.NT and present in your Path

Cause

 
Can occur if any of the following Windows files is missing, damaged, or not located in the %SystemRoot%\System32 folder:

  • Autoexec.nt
  • Command.com
  • config.nt

 

Occurs

when trying to start an application which is programmed for  MS-DOS or Windows16-bit

Solution

in the Config.nt file, allow only: dos=high, umb device=%SystemRoot%\system32\himem.sys files=60 shell=SystemRoot%\system32\comman.com/e:4096

Operating System

  • Windows XP


Entry from: 05.12.2006
This entry is located in category: Knowledge General

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