WMP decoder error resolution

  

Q: Recently, when I watched movies on WMP online, I always had "an unexpected error in the 'DMO' decoder", and I couldn't listen to the song. What can I do?
A: You can reinstall Windows Media Player. If your WMP is 9.0, upgrade to 10.0. If it is 10.0, from "Add/Remove Programs", select "Show Update", then uninstall 10.0, reinstall 9.0, or upgrade to 10.0.

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