Windows Media Player is the default media player in Windows. Sometimes you may come across issues with the player which may not allow you to play audio or video files due to corrupted dll (Dynamic Linking Library) files.
Fix WMP is a handy freeware which will re-register all the dll files associated with Windows Media player to fix any issues it has.
There are 40 dll files associated with WMP which can be easily fixed with FixWMP. FixWMP is a portable software, so you don’t need to install it. Fix WMP works on Windows 7 and Windows Vista Windows Media Player.