“Retrieving media info for an unknown album” message in Windows Media Player12

To fix the constant message, “Retrieving media info for an unknown album” in Windows Media Player 12, go through the steps described below:

1. In the Start Search box type in: %LOCALAPPDATA%\Microsoft\Media Player and press Enter.

2. Open the Media Player folder.

3. Select all the files in the folder, and then click Delete on the File menu.

4. Restart WMP12.