Microsoft KB Archive/250050

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Serial Mouse Error Message with PS/2 Mouse on Windows NT Workstation 4.0

Article ID: 250050

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Workstation 4.0 Developer Edition

This article was previously published under Q250050


When you start Microsoft Windows NT Workstation 4.0 on a computer where you use a PS/2 type mouse, you may receive the following error:

Event ID 7026: Serial mouse failed to start


This behavior can occur when you have a serial mouse driver installed but no serial mouse attached.


To resolve this behavior, disable the serial mouse driver in Control Panel, under Devices.

Keywords: kbprb KB250050