1] Windows Media Player Settings Troubleshooter
To open these specific troubleshooting & diagnostic modules do the following: Open Run box, type the following, and hit Enter to open the troubleshooting wizard which will help you reset WMP to default settings: Click Next to run the Troubleshooter and follow the on-screen instructions.
2] Windows Media Player Library Troubleshooter
From the WinX Menu, open Run box, type the following and hit Enter to open the troubleshooting wizard which will help make Media files show up in WMP library: Click Next to run the Troubleshooter and follow the on-screen instructions.
3] Windows Media Player DVD Troubleshooter
Open Run box, type the following and hit Enter to open the troubleshooting wizard which will help trouble-shoot DVD playing problems: Click Next to run the Troubleshooter and follow the on-screen instructions. TIP: If your OS does not include them, you may download them here from Microsoft: WMP Settings | WMP Library | WMP Fix DVD issues. More troubleshooting steps here if your Windows Media Player won’t open. You may also see our utility, Fix WMP which re-registers all concerned dll’s required for the smooth functioning of Windows Media Player and FixWin, which has fixes for some specific WMP problems, like Windows Media Player shows An internal application error has occurred error.
