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You may receive a "Windows Media Player cannot play the file" error message when you try to restart a video in Windows Media Player in a multiple-monitor configuration

Article ID: 904550 - View products that this article applies to.

SYMPTOMS

Consider the following scenario. You play a video in Microsoft Windows Media Player in a multiple-monitor configuration. Then, you switch to a different logged-on user account by using the fast user switching (FUS) feature in Microsoft Windows XP. When you switch back to the original user account and try to restart the video, you experience one of the following problems:

You may receive the following error message:
Windows Media Player cannot play the file. The player might not support the file type or might not support the codec that was used to compress the file. 0xC00D1100
Windows Media Player does nothing at all.

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CAUSE

When you switch out of the current environment, the display device becomes unavailable to the Video Mixing Renderer (VMR), and the video stops. When you switch back, the VMR queries Microsoft DirectDraw (DDraw) to determine whether a device is available. In a multiple-monitor configuration, DDraw returns an error instead of telling the VMR that a device is available.

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