Microsoft KB Archive/154603

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Err Msg: MMSYSTEM261 The Command Used Is Not...

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Q154603

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The information in this article applies to:


 * Microsoft Internet Explorer version 3.0 for Windows 95

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SYMPTOMS
When you open a Hypertext Markup Language (HTML) document in Internet Explorer, you may receive the following error message:

MMSYSTEM261 The command used is not a valid MCI command.

CAUSE
This problem occurs because the HTML document references a .wav file as the dynamic source for an image tag. (for example, .)

Note that when you receive this error message, the .wav file is played after you clear the error message.

RESOLUTION
The dynamic source for an Image tag must be an .avi file (a video clip) or a Virtual Reality Modeling Language (VRML) world.

MORE INFORMATION
You can use the Dynamic Source HTML attribute (DYNSRC) to include inline multimedia documents or VRLM worlds directly on a Web page. The syntax to use is the following:

"" NOTE: Replace "MyMovie.avi" with the file name or full Uniform Resource Locator (URL) for the .avi file or VMRL world you want to display.

Additional query words: 3.00 win95 ie3 ie30

Keywords : msiew95

Issue type :

Technology : kbIEsearch kbIE95Search kbZNotKeyword3 kbIE300Win95