The most frequent cause of Error 4 is your Antivirus or Windows Defender. TeknoParrot uses "hooks" to make arcade code run on Windows, which looks suspicious to security software. The software often "quarantines" (deletes) the DLL files as soon as you extract them.

Download a free tool called or Dependencies . Open the DLL that is failing to load.

If you see a message at the bottom saying "This file came from another computer...", check the box and hit Apply. 6. Dependency Walker (Advanced Troubleshooting)

If you are trying to run modern arcade classics on your PC using TeknoParrot and hit the message, you aren’t alone. This is one of the most common hurdles for new users.

Do the same for the actual game executable (the .exe or .elf file in the game folder). 4. Incorrect Game Executable Path