Program disappear without any error

[Anchovy]

i m using sandboxie 3.74 with win7 64bit and i use it for games anyway my problem is i open game client with sandboxie but few minutes or 30 minutes its randomly close the client suddenly and without error how can i solve the problem is there anyway to see why client closing?

p.s: im injected logapi.dll
p.s: client working fine outside of sandboxie.