Microsoft KB Archive/269853

= Error Message: Cocreate Instance Failed - Class Not Registered =

Article ID: 269853

Article Last Modified on 1/27/2007

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APPLIES TO


 * Microsoft Windows 95
 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows 98 Second Edition

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This article was previously published under Q269853



SYMPTOMS
When you attempt to access the properties of the Display tool in Control Panel, or right-click the desktop and click Properties, you may receive the following error message:

Cocreate instance failed - class not registered



CAUSE
This issue can occur if a Monster 3D video adapter is installed on your computer.



RESOLUTION
To resolve this behavior, follow these steps:
 * 1) Click Start, point to Find, and then click Find Files and Folders.
 * 2) In the Search for files or folders named box, type mnstr2pl.dl_.
 * 3) In the Look in box, type C:\.
 * 4) Click Search Now.
 * 5) Right-click the Mnstr2pl.dl_ file and click Rename.
 * 6) In the file name box, type mnstr2pl.xxx, and then press ENTER.
 * 7) Repeat steps one to six using Mnstr2pl.dll as the file to find.
 * 8) Rename the Mnstr2pl.dll file to Mnstr2pl.yyy.

For information about how to rename a file, click Start, click Help, click the Index tab, type renaming, and then double-click the &quot;Renaming files&quot; topic.

Keywords: kberrmsg kbhardware kbprb KB269853

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