Help Can't update

[T0x1cLV]

When i start up the launcher it says "New game version is available! Press Update to get new version" well i have been trying to update it for the pastt 30 mins and every time it says : "Game update failed. please try again." and if i press play it says no steam_appid.txt game might not launch corectly n i get another error.
Basically nothing is working
please fix ur launcher

 

[MAMAC]

run as admin

 

[d0d0zz]

Still cant update after starting it as admin pls help

 

[d0d0zz]

pls help

 

[MAMAC]

show me a error or anything what it says when u hit update