DLL load failed pyarmor_runtime

DLL load failed while importing pyarmor_runtime: 
An Application Control policy has blocked this file.

Likely Cause:

Smart App Control is a friendly UI over Windows Defender Application Control (WDAC) and will block unsigned or “unknown” binaries/DLLs with exactly this message.


Solution:

1. Check Windows Smart App Control

On Windows 11 this is the common culprit now:

  1. Open Settings → Privacy & security → Windows Security

  2. Click App & browser control

  3. Look for Smart App Control

    • If it’s On or Evaluation, have them switch it to Off and reboot.

  4. Launch Maya and Groomer’s Tool again.

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