DOS program created with Clipper error out in Windows 2000

Upgraded OS from Windows NT to Windows 2000, running a dos program created with Clipper Software.

The program is executed from a dos prompt on the desktop. The program runs fine until the mouse is used, touched, bumped, etc. The program runs but quits/error out when the mouse is touched, bumped, etc.

Please help.

Try to look for a mouse driver for DOS (like "mouse.com", etc. Never a .sys file!). I have one at hand....

If that does not work, I think you will have to get a DOS emulator.

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