Missing Cookie Unsupported Pyinstaller Version Or Not A Pyinstaller Archive Top [new] Jun 2026

checksum with the one you are trying to extract to ensure no corruption occurred. Try Alternative Scripts

Copy the folder before the program closes (use input() or breakpoints). That folder contains all the original .pyc files. Decompile with uncompyle6 or decompyle3 .

Re-read the tool’s documentation. For macOS, locate the real executable inside the .app bundle. Ensure the target file is indeed a PE/ELF/Mach-O binary with executable permissions.