The way to get the game working is thus: Windows defender will say it has detected a "threat" go into defenders settings and allow the "threat" it's actually a false positive. After that I had to re-extract the zip to the same folder and it now works perfectly :)
When does it close for you? Is it TIME based or PROGRESS based? I noticed when running normal, Windows Defender flags this modified steam.dll. Have you tried to disable WD?
I noticed when running normal, Windows Defender flags this modified steam.dll. Have you tried to disable WD?