DOCUMENT:Q166071  09-AUG-2001  [winnt]
TITLE   :Error Message: Unexpected DOS Error 11
PRODUCT :Microsoft Windows NT
PROD/VER:3.1 3.5 3.51 4.0
OPER/SYS:
KEYWORDS:kbenv kberrmsg

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The information in this article applies to:

 - Microsoft Windows NT Server version 3.1 
 - Microsoft Windows NT Workstation version 3.1 
 - Microsoft Windows NT Advanced Server, version 3.1 
 - Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0 
 - Microsoft Windows NT Server versions 3.5, 3.51, 4.0 
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SYMPTOMS
========

When you try to run a program in Windows NT, you may receive the following error
message:

   Unexpected DOS error 11

CAUSE
=====

Using the "NET HELPMSG 11" command returns the following information:

   An attempt was made to load a program with an incorrect format.

This type of error message can be caused by trying to install the wrong Service
Pack for the version of Windows NT running on the computer. (For example, trying
to install a Service Pack for Windows NT 3.51 on a Windows NT 3.5-based
computer.)

RESOLUTION
==========

Check the build or version of Windows NT running on the computer and run the
correct version of the program for the version of Windows NT you are using.

For additional information, see the following article in the Microsoft Knowledge
Base:

   ARTICLE-ID: Q140642
   TITLE : Err Msg: Unexpected DOS Error 11 Using Server Tools

Additional query words: remote 4.00

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Keywords          : kbenv kberrmsg 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT350search kbWinNT400search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTW310 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS350 kbWinNTS310 kbWinNTAdvSerSearch kbWinNTAdvServ310 kbWinNTS351search kbWinNTS350search kbWinNTS310search kbWinNT310Search kbWinNTW310Search
Version           : 3.1 3.5 3.51 4.0

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