: Many releases include SFV (Simple File Verification) files. You can use tools like QuickSFV to compare the CRC32 checksums of your .rar parts to ensure none are corrupted.
A release tagged as usually addresses specific technical failures in the original, such as: Corrupt files : Errors during extraction or installation. FIFA10.part1.rar
To ensure you have a functional and "proper" release, you can: : Many releases include SFV (Simple File Verification) files