Don't play a DVD when I've played before

I have Windows Media Player. I watched a movie on a DVD before, but now it's not letting me. I get an error message saying: I need a DVD decoder. Before when I haved watched a film he never told me that. I did something wrong or can anyone help plez!

Hello

What is the format of the files on the DVD?

You will need to download codecs or you can upgrade the existing computer DVD decoder Codec.

To ensure that the player can try to download codecs automatically, you must maintain Internet access while playing the file and your Internet security should be set to medium.
In addition, you must be logged in as an administrator or as a member of the Administrators group. Now, follow these steps in Windows Media Player:
a. click the arrow below the now playing tab, and then click More Options.
b. on the Player tab, select download them codecs automatically check box.

You can even try to download codecs manually. Search using your search engine preferred for more information.

See also:
http://Windows.Microsoft.com/en-us/Windows/downloads/Windows-Media-Player/plug-ins

Codecs: Frequently asked questions
http://Windows.Microsoft.com/en-us/Windows-Vista/codecs-frequently-asked-questions

Kind regards
Afzal Taher - Microsoft technical support.
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Tags: Windows

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