How do I correct this Windows 2000 error message?

[eedesignco]

Video DVD's home-brewed or commercially manufactured play on my TV without a problem.
When I load any DVD copy or original I get this message on my screen.
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DVD Player
While setting up DVD-Video playback, it was found that
*Video cannot be shown on the computer monitor because of one of the following reasons:
a) Low video memory, Please try using a lower display resolution and /or colors.
b) Another application is currently using the necessary display resources. Please ensure that no such applications is running.
c) The dusplay adapter is incompatible with the DEV decoder, Please try to obtain a display driver update
Do you want to continue?

Yes No
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This is a gray message centered in the main desktop display.
This is a false message in some way:

I use Studio version 9 and can display and play and edit at will.

AVI files play in Media Player and within Studio 9.
The computer has 2 Gigs of memory. Uses an NVIDIA GeForce FX 5200, Windows 2000 and has plenty of drive space.
I have two machines displaying the same message, as well as a friend of mine using similar setups. I have tried many different programs and upgraded Direct X. Any thing you can tell me to point me in a direction to resolve this issue would be appreciated.
Your FACS do not describe this issue.
Thank you

[redwudz]

Here's what MS says about W2000 and that error message:

If you receive this error message, you can try to lower the color depth, resolution, and refresh rate of your display driver. This error message can also occur if Microsoft NetMeeting is started or if the NetMeeting icon is on your taskbar. NetMeeting and DVD playback both use the overlay mixer. Only one program at a time can gain access to the overlay mixer. Another possible solution is that the computer is running Windows 2000 Server and Terminal Services is installed. When Terminal Services is installed, you cannot play a DVD because of high bandwidth requirements of video playback over a Terminal Services client connection.

From: http://support.microsoft.com/kb/249334

I would check your video card settings first. Another thought is to try the freeware VLC Media Player. As it uses it own codecs, it can sometimes tell you if you have a codec problem. MS doesn't include a MPEG-2 codec with the OS, so you had to install one at some point. They usually come from a DVD player program. Even if you remove the program, the codec usually stays.

I've haven't seen that message with the W2000 SP4 computers I have used.

And welcome to our forums.