Launcher gets deleted after i launch the game

[Salad]

I installed the game with no anti virus on and after i did that it launch succsefuly and i played a couple of rounds.After that i exited the game and came back after 3 hours,so i launched the game and was met with a black screen for a couple of seconds then it exited to my windows.After i tried again to launch it says the launcher got deleted (heres a pic of that) http://gyazo.com/7bda14a04d9259becdcef57cf6f7ec4d if u have a answer to this pls post it below

[AlonTavor]

Blame your anti virus again.

Nothing post-updates messes with the launcher.