0xC01E051F: OPM Protected Output Error on Windows 10/11

Quick answer: Restart the display driver with Win+Ctrl+Shift+B. If that doesn't stick, uninstall the GPU driver in Safe Mode with DDU, then reinstall the latest driver from the GPU maker's site — not Windows Update.

The 0xC01E051F error — full name STATUS_GRAPHICS_OPM_PROTECTED_OUTPUT_DOES_NOT_HAVE_ — shows up when Windows' Output Protection Manager (OPM) can't find a valid protected output on your GPU. This usually happens after a driver update, a Windows update, or plugging in a new monitor that uses HDCP. I've seen it most with Windows 10 21H2 and 22H2, and on Windows 11 after the 2023-09 cumulative update. The error pops up in games, video players, or any app that relies on hardware DRM. Don't bother reinstalling the whole OS — it's almost always a driver or registry artifact.

Step-by-Step Fix

Step 1: Force Restart the Display Driver

Press Win + Ctrl + Shift + B. Your screen will flash black for a second. This restarts the graphics driver stack without a full reboot. If the error goes away, you're done. If it comes back later, move to Step 2.

Step 2: Clean Install the GPU Driver

This is the real fix. Most people skip this and just update — that rarely works because old driver files stay behind.

1. Download DDU (Display Driver Uninstaller) from Guru3D — it's free, no bloat.
2. Boot into Safe Mode. Hold Shift while clicking Restart, then Troubleshoot > Advanced Options > Startup Settings > Restart, then press 4 for Safe Mode.
3. Run DDU. Select your GPU vendor (NVIDIA, AMD, or Intel). Choose Clean and Restart. Let it wipe everything — don't interrupt.
4. When Windows comes back, download the latest driver directly from NVIDIA, AMD, or Intel. Not from Windows Update — those are often stale or stripped down.
5. Install the driver with a clean installation checkbox (NVIDIA) or Factory Reset (AMD). Reboot when prompted.

This fixes about 80% of these errors. The OPM protected output gets rebuilt fresh.

Step 3: Check for a Broken Monitor EDID

If the driver reinstall didn't help, the issue might be a corrupted Extended Display Identification Data (EDID) from your monitor. This matters because OPM reads the monitor's capabilities through EDID.

1. Open Device Manager (right-click Start).
2. Expand Monitors. Right-click your monitor and select Uninstall device.
3. Restart the PC. Windows will re-detect the monitor and pull a fresh EDID.

I've seen this solve it for users with Dell or LG monitors that shipped with buggy EDID versions.

Step 4: Registry Cleanup for HDCP Keys

Rare case: corrupted HDCP key storage in the registry. Only try this if you're comfortable with regedit. Backup first.

1. Open regedit as admin.
2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}
3. Under each subkey (0000, 0001, etc.), look for DrmKeys or HDCP entries. Delete them.
4. Reboot.

This forces Windows to regenerate HDCP state on next boot.

Alternative Fixes If the Main Steps Fail

Roll Back or Remove a Recent Windows Update

If this started after a Windows Update, that cumulative patch is the culprit. Go to Settings > Windows Update > Update history > Uninstall updates. Remove the most recent one. Reboot. Then pause updates for 7 days to see if the next patch fixes it. In my experience, Microsoft broke OPM in KB5028244 (August 2023) for some NVIDIA GPUs.

Disable Hardware-Accelerated GPU Scheduling

This feature in Windows 10/11 can interfere with OPM. Go to Settings > System > Display > Graphics > Change default graphics settings. Turn off Hardware-accelerated GPU scheduling. Reboot. Not a permanent fix — you lose a bit of performance — but it stops the error.

Prevention Tip

Never install GPU drivers from Windows Update. Always get them direct from NVIDIA, AMD, or Intel. Also, avoid switching monitors while the system is running — the hot-plug detection can corrupt the OPM state. If you swap monitors often, reboot after plugging in a new one. That's the ticket — keeps the protected output clean.