Also, I found a comment like this on one video:
Bang Install.exe has encountered a problem and needs to close. We are sorry for the
If you were in the middle of something, the battle you were fighting might be lost.
Please contact Bang Shishigami about this problem.
We have created an error report that you can send to help us improve Bang Install. We will treat this report as confidentional and anonymous.
Obviously, Nu-13 runs on a Mac OS. Bang Install.exe cannot be run on Macs.