This is a common issue with custom PS2 ISOs. It usually indicates a corrupted download or an issue with the transfer process. Try re-downloading the file from Google Drive or verifying the MD5 checksum if provided by the mod creator. Extreme Audio Latency or Desync
Guitar Hero 2 Extreme Vol. 2 is a fan-made modification (mod) of the original Guitar Hero II Download Guitar Hero 2 Extreme Vol. 2 Iso Google Drive