Q99018: Clipper Err Msg with MS-DOS: Illegal Format in Loadable File

Article: Q99018
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:6.0,6.2,6.21,6.22
Operating System(s): 
Keyword(s): 
Last Modified: 19-NOV-1999

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The information in this article applies to:

- Microsoft MS-DOS operating system versions 6.0, 6.2, 6.21, 6.22 
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SYMPTOMS
========

If you run a program that has been compiled with Computer Associate's Clipper,
version 5.01 or 5.01a, on an MS-DOS 6.0 or later system, you may receive the
following error message:

  ERROR: EST0001:Illegal Format in Loadable File

After displaying this message, the system stops responding (hangs).

You can compile and link with Clipper, version 5.01 or 5.01a, on a system running
MS-DOS 6.0 or 6.2. However, when you execute the compiled and linked file, you
may receive the error message above.

NOTE: You can also run the compiled program on an MS-DOS 5.0 system even though
it was compiled and linked on an MS-DOS 6.0 or 6.2 system.

CAUSE
=====

This error is caused by an incompatibility with Clipper Linker, version 3.13
(which ships with Clipper 5.01 and 5.01a) and HIMEM.SYS, versions 3.09 and 3.10.

WORKAROUND
==========

To work around this problem, use one of the following methods:

- Use HIMEM.SYS, version 3.07 (which is provided with Windows 3.1).

-or-

- Upgrade from version 5.01 or 5.01a of Clipper to version 5.2. (Linker,
  version 3.14b, ships with Clipper 5.2).

STATUS
======

Computer Associates Product Support has confirmed this to be a problem with
Clipper Linker, version 3.13. For more information, call Computer Associates
Technical Support.

Clipper is manufactured by Computer Associates, a vendor independent of
Microsoft; we make no warranty, implied or otherwise, regarding this product's
performance or reliability.

Additional query words: 6.22 6.00 6.20 3rd party third-party third

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Keywords          :  
Technology        : kbMSDOSSearch kbMSDOS621 kbMSDOS622 kbMSDOS620 kbMSDOS600
Version           : MS-DOS:6.0,6.2,6.21,6.22

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