Guide To Error 80040155 In Windows Media Player - Interface not Registered

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Guide To Error 80040155 In Windows Media Player

The error Interface not Registered" while burning a CD should be fixable by simply reinstalling WMP over itself. (If you get this while trying to move content to another portable device reinstall the drivers for it, and then follow the rest of this post.)

Depending on how WMP was installed on your machine you may already have the installer. If you do it is located in C:\Program Files\Windows Media Player\Installer. The file name of the installer is "mpsetupxp.exe"

If you don't see the folder then run C:\Program Files\Windows Media Player\setup_wm.exe and that will re-download the installer and install it.