Windows 3.0 Files May Cause Windows 3.1 Boot Errors

• Microsoft Windows operating system versions 3.0, 3.0a, 3.1, 3.11

SUMMARY

If the Windows 3.0 version of KRNL386.EXE and/or DOSX.EXE are present in the Windows directory after you upgrade to the Microsoft Windows operating system version 3.1, the following error messages may occur.

Error:

   Enhanced Mode Error Message

   KRNL386: Unable to enter Protected Mode

   The KRNL386.EXE (Windows 3.0) file is in the Windows 3.1 directory.

   STANDARD MODE Error Messages

        Standard Mode: Fault outside of MS-DOS Extender.
        EC=0344 CS=031F IP=85E2 AX=001D BX=0005 CX=1800 DX=155F
        SI=0178 DI=0178 BP=016E DS=027F ES=027F SS=027F SP=0166

   The KRNL386.EXE (Windows 3.0) file is in the Windows directory.
   (The values of address registers in the memory dump may be
   different each time.)

   Cannot run Windows in standard mode;

   Check to ensure you are not running other protected-mode
   software, or run in real mode.

   The DOSX.EXE (Windows 3.0) file is in the Windows directory.

MORE INFORMATION

To correct this situation delete or rename these files from the Windows 3.1 Windows directory.

Note: There may be other Windows 3.0 files that could have a similar effect on Windows 3.1 if they are present.

For more information, query on the following words in the Microsoft Knowledge Base:

   win31 and 386 and enhanced and fault