If part4.rar is corrupted during download, the entire extraction will fail with a "Checksum Error." Troubleshooting "Part 4" Errors
Solving the Puzzle: Managing Large Downloads for Assassin’s Creed Syndicate Gold Edition
You need every single part in the same folder for the extraction to work. If part4
If you used a torrent, right-click the download and select "Force Recheck." This scans your local files against the source and only redownloads the corrupted bits of part 4.
It will tell you exactly if part 4 (or any other component) is missing or mismatched. It saves you from waiting two hours for an installation only to have it crash at 99%. Final Thoughts It saves you from waiting two hours for
When dealing with massive, highly compressed repacks, a single missing or corrupted "part" can feel like a hidden blade to your installation progress. Here’s a quick guide on how to handle multi-part archives and ensure Jacob and Evie Frye actually make it onto your hard drive. Why Multi-Part Archives?
Compare your part4.rar with the other parts in the directory. If it’s significantly smaller (and isn’t the very last part of the set), the download likely timed out. Why Multi-Part Archives
Are you running into a specific during the extraction of part 4, or is the file missing from your source?