0XC01E051C

Fix 0xC01E051C: OPM Protected Output Error in Windows

EP
Erropedia Team
📅 May 26, 2026 📅 Updated Jul 31, 2026 👁 8 views Windows Errors Intermediate
This error pops up when a DirectX app or game can't verify display output protection. Usually it's a driver or HDCP handshake problem.

Quick Answer

Uninstall your graphics driver with DDU in Safe Mode, then reinstall the latest driver from the manufacturer's site. If that doesn't stick, disable HDCP in your display driver settings or switch to a different cable (DisplayPort instead of HDMI).

What Actually Causes This Error

Error 0xC01E051C — full name STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_COPP_SEMANTICS — shows up when a DirectX app tries to output protected content but the display pipeline can't confirm the HDCP handshake. I've seen this most often with games using DRM (like Denuvo), streaming apps (Netflix, Prime Video), or any app that calls IDirect3D9::CreateDevice with D3DCREATE_..._DISCARD flags. Last month a client's Aurora R12 kept crashing in Cyberpunk 2077 with this exact code. His monitor was fine, but the HDMI cable was a cheap 2.0 version that flaked out at 4K60. Swapped to a certified HDMI 2.1 cable — problem gone.

The core issue is a mismatch between the GPU's OPM (Output Protection Manager) state and what the display or app expects. Usually a driver corruption, a bad cable, or a monitor that doesn't report HDCP properly.

Fix Steps (Try in Order)

  1. Clean uninstall and reinstall your graphics driver. Boot into Safe Mode (hold Shift while clicking Restart, then Troubleshoot > Advanced Options > Startup Settings > Restart > press 4). Run DDU (Display Driver Uninstaller) from a USB or your desktop — it's free, get it from Guru3D. Select “Clean and restart.” Once back in normal Windows, download the latest driver from NVIDIA or AMD's site. Do not use Windows Update or the OEM's driver.
  2. Check your cable. HDMI 2.0 or older can't handle 4K60 HDR reliably. Switch to a DisplayPort cable if your monitor supports it. For HDMI, use a certified “Premium High Speed” or “Ultra High Speed” cable. Bad cables cause HDCP handshake failures.
  3. Toggle HDCP in your display settings. For NVIDIA: open NVIDIA Control Panel > Display > Set up multiple displays > check “Enable HDCP” (or uncheck if already on, then re-enable). For AMD: Radeon Software > Settings > Display > toggle HDCP Support off and on. Reboot.
  4. Adjust DirectX compatibility settings. Right-click the app's .exe > Properties > Compatibility > check “Disable fullscreen optimizations” and “Override high DPI scaling behavior” set to Application. This forces DirectX to use older output paths.
  5. Update your monitor's firmware. Some monitors (especially LG 27GN950, Dell S2721QS) got HDCP fixes via firmware updates. Check the manufacturer's support page.

If the Main Fixes Don't Work

Try these as a fallback:

  • Switch to a different physical port. HDMI ports on GPUs sometimes have separate HDCP engines. Move your monitor to another HDMI port or use a DisplayPort-to-HDMI adapter.
  • Disable Hardware-accelerated GPU Scheduling. Windows Settings > System > Display > Graphics > change “Hardware-accelerated GPU scheduling” to Off. Reboot. This bypasses a bug in the Windows display model that can corrupt OPM state.
  • Use a registry tweak to force OPM mode. This is for advanced users: open Regedit, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\DDC2. Create a DWORD OPMForceCOPP and set it to 0. Reboot. If the error persists, delete the key.
  • Test with a different monitor or TV. If another display works, your original monitor's HDCP handshake is broken. Some older TVs (pre-2015) don't support HDCP 2.2 for 4K.

Prevention Tips

  • Always buy certified HDMI cables — look for the “Premium High Speed” hologram on the package. Cheap cables cause random HDCP drops.
  • Keep your GPU driver clean. Use DDU every major driver update, not just overlay-install.
  • Don't daisy-chain monitors through a hub or switch. Each hop increases HDCP failure risk.
  • If you're using an app that triggers this error regularly, run it in windowed mode or borderless windowed mode. Fullscreen exclusive mode is less forgiving with OPM.

Had a small business client last month whose entire print queue died because of a different OPM error. This one's specific to video output, but the root cause — driver state corruption — is the same. Nuke the driver, start fresh, and test your cables.

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0xC01E051C STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_COPP_SEMANTICS Windows error code OPM error fix HDCP error Windows 10 DirectX protected output error graphics driver crash NVIDIA display error AMD driver issue Windows display protection fix 0xC01E051C solution HDMI HDCP error

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EP
Erropedia Team
Tech Support Editors
The Erropedia editorial team researches and documents real-world tech errors from across Windows, Linux, macOS, networking, databases, cloud platforms, and more. Every solution is reviewed for accuracy and updated as software and systems evolve.