Never mix files from Data Pack 4.0 (if unofficially extracted) into a Data Pack 3.0 container. Version mismatches cause silent crashes.
dt80_300E_x64.cpk is a core data component for eFootball PES 2021 Season Update , specifically representing the Data Pack 3.0 dt80-300e-x64.cpk pes 2021
Update the CPK load order:
| Issue | Likely cause | Fix | |-------|--------------|-----| | Game crashes on launch | Missing or corrupted dt80_300e_x64.cpk | Verify integrity via Steam → Properties → Local Files → Verify | | Missing DLC 3.0 faces/kits | File not loaded | Ensure file is in download/ and DLC is enabled in game’s settings → DLC | | Modded version not showing | Patch’s CPK not prioritized | Use to place modded CPK before original | | AES extraction fails | Wrong tool or key | Use CriPakTools v1.1+ with the key above | Never mix files from Data Pack 4
PES 2021 organizes these assets across dozens of .cpk files (e.g., dt00_x64.cpk , dt10_x64.cpk ). The numbering system indicates priority and content type. Generally, files with higher numbers or specific prefixes ( dt80 ) contain more recent or dynamic data. The numbering system indicates priority and content type
New iconic moment players added to the database.