Title: Clipper Err Msg with MS-DOS 6: Illegal Format in Loadable File
Document Number: Q99018           Publ Date: 20-MAY-1993
Product Name: Microsoft Disk Operating System
Product Version:  6.00
Operating System: MS-DOS

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 The information in this article applies to:
  - Microsoft MS-DOS operating system version 6.0
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 Summary:
 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 system, you may
 receive the following error message:
    ERROR: EST0001:Illegal Format in Loadable File
 After displaying this message, the system stops responding (hangs).
 More Information:
 You can compile and link with Clipper, version 5.01 or 5.01a, on a
 system running MS-DOS 6.0. However, when you execute the compiled and
 linked file, you may receive the error message above. This error is
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 caused by an incompatibility with Clipper Linker, version 3.13 (which
 ships with Clipper 5.01 and 5.01a) and HIMEM.SYS, version 3.09 (which
 ships with MS-DOS 6.0).
 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 system.
 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).
 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 at (314) 348-4400 or send a fax to (314)
 348-4401.
 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 reference words: 6.00 3rd party third-party third party
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COPYRIGHT Microsoft Corporation, 1992.