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Microsoft KB Archive/102503

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Knowledge Base

Windows NT Screen Savers Fail to Run Smoothly

Article ID: 102503

Article Last Modified on 10/31/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q102503


Screen savers run slowly or jerkily under Windows NT.


This problem occurs when an application calls the PeekMessage application program interface (API) functions even when it's apparently idle. Borland's Quattro Pro for Windows and Microsoft Word for Windows both do this.


By default, Windows NT gives a priority boost to the program with the input focus. If Quattro Pro for Windows or Word for Windows is taking all the CPU time (when you want a background application to get more CPU time), disable the input focus boost. You can do this through the System icon in Control Panel.

Additional query words: prodnt

Keywords: kb3rdparty KB102503