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