Callofdutyinfinitewarfare.part13.rar -

If WinRAR or 7-Zip reports a "Checksum error" or "Unexpected end of archive" specifically at part13, that individual file is likely incomplete.

Ensure you are using the latest version of 7-Zip or WinRAR, as older versions often fail to handle modern compression algorithms used in large game repacks. CallOfDutyInfiniteWarfare.part13.rar

If you are getting an error about this specific "solid piece," it usually means part13 is corrupt or missing. Because solid archives treat all parts as one stream, damage to a single part often prevents the extraction of any files that follow it in the sequence. If WinRAR or 7-Zip reports a "Checksum error"

You must have every single part (part1, part2, ... part13, etc.) in the same folder to extract the game successfully. You cannot extract part13 individually. CallOfDutyInfiniteWarfare.part13.rar