You double-click a .zip file that's supposed to contain a Windows Media Player playlist, and instead of music, you get a pop-up that says NS_E_WMPZIP_FILENOTFOUND (0XC00D101A). This usually happens when you've downloaded a playlist pack from a fan site, received one via email, or copied it from an old USB drive. The error means WMP looked inside the zip for a media file listed in the playlist (like an .mp3 or .wma), but it didn't find it at the expected path.
Here's the deal: a zipped playlist isn't just a single file. It's a folder structure that contains a .wpl or .m3u file plus the actual audio files. When you unzip it with Windows' built-in extractor, sometimes the folder structure gets flattened, or the playlist points to a path that no longer exists after extraction. That mismatch triggers the error.
Root Cause: Broken Paths Inside the Zip
The playlist file inside the zip stores absolute paths (like C:\Users\you\Downloads\Music\song.mp3) or relative paths (like music\song.mp3). When you extract the zip to a different folder, those absolute paths break. The relative paths might also break if the extraction tool doesn't recreate the folder structure exactly.
Windows Media Player is strict about this. It won't guess or search for the file. It reads the path, tries to open it, fails, and throws 0XC00D101A.
I've seen this trip up even experienced users because the zip opens fine in File Explorer and the media files look like they're right there. But WMP doesn't see the extracted folder—it sees the original path from the playlist.
The Fix: Extract First, Then Generate a Fresh Playlist
The simplest fix that works every time: don't rely on the pre-made playlist inside the zip. Instead, extract everything, then create a new playlist from the actual files. Here's how:
- Extract the zip to a clean folder. Right-click the .zip file and choose Extract All. Pick a destination like
C:\Music\MyPlaylist. Make sure the extraction completes without errors. If Windows asks about overwriting files, choose Yes. - Open Windows Media Player. Press the Windows key, type
Windows Media Player, and hit Enter. - Find your extracted files. In the left sidebar, right-click Playlists and choose Create playlist. Name it something like "Fixed Playlist".
- Drag and drop the media files from the extracted folder into the new playlist. If you have a lot of files, use Add to Playlist from the right-click context menu in File Explorer.
- Save the playlist. Right-click the playlist name in WMP and choose Save as. Pick a location outside the zip folder, like
C:\Music. - Try opening that saved playlist. It should work now because WMP stores relative paths when you create a playlist this way.
The real fix is to stop using the original playlist file entirely. It's unreliable, and you'll waste time trying to patch it. Generating a fresh one from the actual files is faster and guaranteed to work.
What If It Still Fails?
If the error persists after creating a new playlist, check these two things:
1. Are the media files actually there?
Open the extracted folder and confirm the audio files exist. Sometimes a zip is truncated or corrupted, and files are missing. If you see a .tmp file or a zero-byte file, the download or copy is bad. Re-download the zip from the source.
2. Is the file format supported?
WMP doesn't play everything. If the files are FLAC or OGG, you'll need an alternative player or codec pack. Check the file extensions. WMP natively handles .mp3, .wma, .wav, and .aac. If you see .flac, try opening it with VLC or Groove Music instead.
If you're on Windows 10 or 11, you can also try the standalone Windows Media Player Legacy from Optional Features. It's more forgiving with path issues.
The 0XC00D101A error is annoying, but it's rarely a sign of a broken system. It's just a path mismatch. Extract properly, make a new playlist, and you're back to listening.