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I get a DOS 21 error when I try to launch ChemDraw 3.1 under Windows 3.x.

Rich Talbot
Date Posted: 2004-02-20
Product: ChemDraw

Problem:

I get a DOS 21 error when I try to launch ChemDraw 3.1 under Windows 3.x.


Solution:

This problem is solved by installing the latest version of Win32s. This can be obtained via ftp from Microsoft at the following ftp site and directory:

ftp.microsoft.com/softlib/mslfiles/PW1118.exe

Download the latest version of Win32s from Microsoft and install it.

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