What are you currently using to create the media?
hdiutil convert /tmp/ElCapitan.sparseimage -format UDTO -o /tmp/ElCapitan.iso mv /tmp/ElCapitan.iso.cdr ~/Desktop/ElCapitan.iso download iso mac os x el capitan high quality
Check the MD5 or SHA-256 checksums if provided by the uploader, and compare them against documented Apple retail hashes to ensure absolute file integrity. 6. How to Fix the "Payload Verification Failed" Error What are you currently using to create the media
What are you currently using to create the media?
hdiutil convert /tmp/ElCapitan.sparseimage -format UDTO -o /tmp/ElCapitan.iso mv /tmp/ElCapitan.iso.cdr ~/Desktop/ElCapitan.iso
Check the MD5 or SHA-256 checksums if provided by the uploader, and compare them against documented Apple retail hashes to ensure absolute file integrity. 6. How to Fix the "Payload Verification Failed" Error