How To Fix: Windows Media Player cannot detect the length of the file

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Windows Media Player allows users to burn files to CD and DVD. Sometimes, the burning function of the player may not work properly and indicate that Windows Media Player cannot detect the length of the file error.

Can’t Windows Media Player indicate the file length when I burn CDs or DVDs? First, use the drag-and-drop approach to add files instead of a complete batch. This makes it easier for the application to identify files. You can also perform special troubleshooting or modify the music folder.

How to repair Windows Media Player cannot detect the length of the file:

Microsoft will probably publish a correction in one of the future updates for Windows 10, but until then, we suggest that you work with what we will publish. It doesn’t take forever to finish, and if you follow correctly, there shouldn’t be any problems.

Run the troubleshooter for Windows Media Player

Some users may not be aware that Windows 10 comes with 3 convenience stores for Windows Media Player. They are perfect for troubleshooting problems and should be sufficient to solve the basic problems of your media player.

To start troubleshooting, open the Run area, type the following, then press Enter to open the Troubleshooting Wizard:

Troubleshooting Windows Media Player Settings

msdt.exe -id WindowsMediaPlayerConfigurationDiagnosticsDiagnosticsDiagnostics

Troubleshooting problems with the Windows Media Player library

msdt.exe -id WindowsMediaPlayerLibraryDiagnosticDiagnostic

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Troubleshooting Windows Media Player DVDs

msdt.exe -id WindowsMediaPlayerDVDDiagnostic

Run them and let them do their job.

WMP 11 Customizing burning settings

The process of changing burner settings in WMP 11 is very similar:

  1. Open WMP. If it is not yet in library display mode, switch to this screen by pressing Ctrl+1 on your keyboard.
  2. Select Tools > Options at the top of the screen.
  3. On the Options screen, select Burn.
  4. On the Burning Settings screen, in the General section, use the drop-down menu to select a burning speed. Select Slow.
  5. Click Apply, then OK to exit the settings screen.

Changing the Music folder

If the directory or folder of the file is damaged, Windows Media Player may not recognize the files in that folder. If you can see the length of the media file in the File Explorer but not in the Media Player, try moving the tracks to a new folder.

  1. Select and copy all the tracks you want to burn.
  2. Create a new folder outside the original directory and move the copied files to the new folder.
  3. Start Windows Media Player and drag and drop the tracks from the new folder onto the player.
  4. Windows Media Player must recognize the length of the track. Select the tracks and click Burn.

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