corrupted files when installing+PRlauncher dissapeared

[Alpha_TN]

when i install the game,right before finishing it i have an error: .../mods/pr/bin/PRmumble cannot be copied because its corrupted & same with all the files after it,when i go ignore & finish the installation & i open PRlauncher,it tells me that i mut find the file directory to open it,but nothing its just dissapeared

[AlonTavor]

If PRLauncher.exe disappeared, your anti virus deleted it.