There are several reasons for it, such as installing third party Media Players, DVD Players on your Windows 7 PC, that associate the file associations, install their own codec etc. Most of these third party media players try to associate media files to themselves, and finally you end up with messed file associations for playing the audio and video files. Moreover, the damage is extensive when codecs get messed up, often making playing videos with no audio, and in worst scenarios no video too The best solution Repair WMP 1. Uninstall Windows Media Player 1. Note that uninstalling Windows Media Player 1. Windows Media Center, as it uses WMP1. Guides and howtos related to digital video and software associated to it. Amazons Prime Day is Tuesday, July 11th, with deals kicking off at 9pm ET tomorrow, July 10th. If youve never participated in the day before, it can be a bit. Free Print Out Christmas Activities For Toddlers. Click Start button, type windows features in the program search box and hit enter. In the Windows Features dialog box, look for Media Features and expand it. Clear Windows Media Player check box. As soon as you clear the check box, you will see a pop up saying that The following Windows features will also be turned off because they are dependent on Windows Media Player. The listed program is Windows Media Center. Go ahead and click Yes. Windows will now begin uninstalling WMP1. You have to restart Windows. Reinstall Windows Media Player 1. Windows Media Center. Follow step 1 and 2 from same as above. Check boxes Windows Media Player and Windows Media Center. Click OK. Windows will take some time in reinstalling them. Wait for the process to finish. Download Windows Media Player Diagnostic tool via Microsoft Fixit. This is a portable tool that can be run offline. Run the downloaded executable, make sure to run as administrator. Follow on screen instructions. You can make a new folder in C drive named Microsoft Fixit, to save the tool. Click Save button. The tool will download and save the portable tool of around 4. MB in size in the specified folder. After download is complete, click on Finish button. Open the folder where you saved the file, it should be named Launch Fix it. From the list of fixes, click on the Run Now button against Fix Windows Media Player video, and other media or library issues. Follow the on screen instructions to get the WMP fixed. Codec Error Use Windows Media Player Solution Center© 2017