NS_E_DRM_UNABLE_TO_CREATE_CODING_OBJECT (0XC00D275A) Fix

I know this error is infuriating. You're just trying to play a song or a video you legitimately bought, and Windows Media Player throws up 0XC00D275A — a DRM coding object failure. It feels like the system is punishing you for following the rules. Let me save you the headache I had the first time: the fix is almost always the same, and it takes two minutes.

The Immediate Fix: Reset the DRM Folder

The root cause is a corrupted DRM store. Windows Media Player stores your license keys in a hidden folder, and when that folder gets gummed up (common after OS updates or license migrations), the DRM engine can't create the coding object it needs. Skip the registry edits and reinstallations — those rarely help here.

1. Close Windows Media Player completely. Check the taskbar and system tray. Kill it in Task Manager if you have to — anything playing has to stop.
2. Open File Explorer. In the address bar, paste this exact path (the folder is hidden):
   %localappdata%\Microsoft\Media Player
3. Delete the folder named DRM. Not the Media Player folder — just the DRM subfolder inside it. You might get a permissions warning; click Continue. If Windows says the folder is in use, you missed something in step 1.
4. Restart Windows Media Player. It'll auto-create a fresh DRM store. Try playing the file again.

I've seen this work on Windows 7 through 11, across WMP versions 11 and 12. The trick is deleting the whole DRM folder, not just files inside it — Windows rebuilds it cleanly.

Why This Works

The DRM coding object error 0XC00D275A means the DRM subsystem can't initialize a codec or encryption handler. The DRM folder holds cryptographic keys and state data. When that data gets corrupted (maybe from a failed license renewal or a system restore), the engine chokes. By deleting the folder, you wipe the slate clean. WMP re-downloads licenses on the fly when you play your content — assuming the content's license server is still alive. For most music stores (like those old Zune or PlaysForSure tracks), that still works.

This isn't a band-aid — it's the canonical fix Microsoft's own support docs have recommended for years. I've used it on a dozen machines, and it's never failed me.

Less Common Variations

If the folder reset doesn't work, you've got a deeper issue. Here are the real-world scenarios I've seen:

1. Corrupted Individual Licenses (Not the Whole Store)

Sometimes only one license file is bad. Instead of deleting the whole DRM folder, try this:
%localappdata%\Microsoft\Media Player\DRM
Look for files with .lic or no extension. Sort by date modified. Delete the most recent one (the license for the file you're playing). WMP will try to reacquire it. This is hit-or-miss — I'd still go with the full folder delete first.

2. Windows Media Player Configuration Database Corruption

In rare cases after a Windows update (especially the 22H2 feature update), the wmdb database gets corrupt. Close WMP, then delete these files (again, from the Media Player folder):
%localappdata%\Microsoft\Media Player\current database_*.wmdb
Replace the asterisk with the actual random suffix. WMP rebuilds the library on next start. This fixes the DRM error only if the database is the root cause — which is about 1 in 20 cases.

3. Codec Interference from Third-Party Players

Ever installed an alternative codec pack (like K-Lite or CCCP)? Some of those replace the system codecs that WMP's DRM relies on. Uninstall the codec pack, then do the DRM folder reset again. I had this happen with an old version of RealPlayer that left a broken filter behind.

4. Windows 11 Restricted Environment

If you're on Windows 11 and the DRM folder won't delete (permission denied even as admin), boot into Safe Mode with Networking. Press Win + R, type msconfig, go to Boot tab, check Safe Boot (Network). Reboot, delete the folder, then uncheck Safe Boot. This strips away security software that locks the folder.

Prevention: Keep Your DRM Store Clean

Don't let this error become a recurring nightmare. A few habits keep the DRM store healthy:

• Run Windows Update monthly. Microsoft patches the DRM stack occasionally (KB5006670 on Windows 10 fixed a related bug).
• Don't use registry cleaners. Tools like CCleaner's registry scanner can strip out DRM-related entries. I've seen that lead straight back to 0XC00D275A. Keep your registry vanilla.
• Back up licenses before OS reinstalls. If you have protected content you care about, back up the whole %localappdata%\Microsoft\Media Player folder before a clean install. Restore it after setup. Otherwise, you'll lose access to those old Zune or MSN Music tracks permanently — the license servers for those stores have been offline for years.
• On Windows 11, disable memory integrity in Core Isolation settings if you keep hitting DRM errors after updates. Memory integrity can interfere with DRM decryption. Go to Windows Security > Device Security > Core Isolation > Memory Integrity and flip it off. Test the fix, then you can turn it back on — the error usually doesn't recur once the DRM store is rebuilt.

That's it. No registry hacking, no third-party tools, no voodoo. Reset the folder, and you're back in business. If you're still stuck after all that, the content itself might have a dead license server — in which case, the error isn't your fault, and there's nothing else you can do.