Executive Summary

Error: Failed to load DLL. Error code: 4
Applies to: TeknoParrot v1.0.0.0+ (recent builds)
Primary cause: Windows is blocking TeknoParrot from loading a required DLL (usually nvapi64.dll, d3d11.dll, or game-specific hooks) due to security policies, missing dependencies, or corrupted runtime libraries.

Check your Protection History in Windows Security or your specific antivirus.

: Antivirus software often flags and quarantines TeknoParrot's DLLs (like TeknoParrot64.dll openparrot.dll ). Ensure you disable your antivirus

Hope this helps anyone else running into the same problem!

Temporarily disable Windows Defender completely (reboot required) – If error disappears, it’s Defender. Re-enable and add proper exclusions.

  1. Missing or corrupted DLL files: The error can occur if a required DLL file is missing or corrupted.
  2. Outdated Java version: TeknoParrot relies on Java to function properly. An outdated Java version can cause compatibility issues and lead to the error.
  3. Incompatible game files: If the game files are not compatible with the TeknoParrot emulator, it can cause the error.
  4. Incorrect configuration: Misconfigured settings or incorrect folder paths can also lead to the error.

DirectX SDK (June 2010): A common requirement for older arcade dumps.

: Right-click the TeknoParrot executable and select "Run as Administrator" to ensure it has full permissions to hook into game processes. Disable Fullscreen Optimizations

  • Temporarily disable real-time protection or add the TeknoParrot folder and the game executable to exclusions.
  • Retry launch.