Ensure you're playing the latest version of PES 6:
directory, language mismatches, or faulty Kitserver configurations. Solutions include verifying the existence of these files, renaming language-specific files, re-running the Kitserver setup, or editing the Windows registry for language settings. For more technical details on fixing this, visit pes 6 afs file not found
The "AFS file not found" error is scary because it looks technical, but it is almost always just a between your .exe and your dat folder. Ensure you're playing the latest version of PES