If you receive a "Checksum Error" or "Corrupt Volume" message specifically for setup-2a.bin :
Ensure all parts (e.g., part1.rar through partX.rar ) are in the before you begin extraction. i setup 2a bin call of duty modern warfare 2 rar 1
: Corruptions usually happen during the download process. Delete the existing rar 1 file and redownload it from a stable connection. 4. Correcting Installation Path Issues If you receive a "Checksum Error" or "Corrupt