You don't need to keep it if you don't use it
How to Uninstall Windows® Media Player in Windows® 7
Windows Media Player is a Microsoft application that allows you to play various audio and video files directly from the Windows operating system.
Windows has been part of Windows for a long time, but some people still choose to use other applications to play their media. Learn how to remove Windows Media Player from Windows 7.
While Windows Media Player is a popular choice for playing media in Windows, its features have been criticized in comparison to competing media players. In particular, the player has been criticized for not working well with third-party codecs.
