If Part 04 specifically shows a "Checksum Error," it means that specific file was corrupted during download and needs to be re-downloaded. Why Is It Split into 2GB Segments?
The software will automatically read Part 04 and all other segments to reconstruct the game files. ER_2GB.part04.rar
You cannot "open" part 4 individually. You must initiate the extraction from Part 1 . If Part 04 specifically shows a "Checksum Error,"
If a 60GB download fails at 90%, you lose everything. If a 2GB part fails, you only need to re-download that specific segment. ER_2GB.part04.rar