Since you have "part2.rar," you are dealing with a multi-volume archive. 1. Gather All Parts

: If the game won't launch, ensure your DirectX and Visual C++ Redistributables are up to date.

For a multi-part RAR archive to extract correctly, you have all the pieces in the same folder.

Check that you have Toy.Tinker.Simulator.v21.11.2021.part1.rar as well.

: Right-click on part1.rar only and select "Extract Here" or "Extract to [Folder Name]" .

: This usually means one of the parts (like part2) didn't download completely. Try redownloading the specific part that is causing the error.

: Sometimes antivirus software flags game cracks or installers. If you trust the source, you may need to check your "Protection History" and restore any files the antivirus quarantined.