Fix: Windows Media Player Encountered a Problem While Playing The File
You may receive an error in Windows Media Player while trying to play an audio file.
Windows Media Player encountered a problem while playing the file.
1. Reset Windows Media Player. Go to Control Panel -> Troubleshooting -> Programs -> Windows Media Player settings then Reset Windows Media Player to default settings.
2. Try disabling enhancements in Sound Options. Go to Control Panel -> Sound -> Speakers and Properties -> Enhancements Tab -> Disable all enhancements shown.
3. Create Registry value. Open the following path in registry.
4. Make a new registry entry called DisableProtectedAudioDG Type: RED_WORD Value: 0
how to create registry that you mentioned in step 3