DOCUMENT:Q84992 25-OCT-1999 [win95x] TITLE :UMBFILES.COM and Windows Err Msg: Unsupported MS-DOS Version PRODUCT :Microsoft Windows 95.x Retail Product PROD/VER:WINDOWS:3.1,3.11 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows versions 3.1, 3.11 ------------------------------------------------------------------------------- SYMPTOMS ======== When running Windows version 3.1 in 386 enhanced mode, you may receive the following error message: Error: Unsupported MS-DOS Version. You may also receive the following error message when installing Windows 3.1 using the SETUP /N option. Incorrect ms-dos version CAUSE ===== These error messages occur if the PC Magazine utility UMBFILES.COM is being loaded into memory. UMBFILES.COM is a PC Magazine utility dated 11/26/91. It allows you to load the MS-DOS file handles into the upper memory area (UMA). This utility is incompatible with Microsoft Windows operating system version 3.1 in 386 enhance mode. The products included here are manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability. Additional query words: err msg 3.10 3.11 3rdparty QEMM LoadHigh Files Novell LH ====================================================================== Keywords : Technology : kbWin3xSearch kbZNotKeyword3 kbWin310 kbWin311 Version : WINDOWS:3.1,3.11 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.