After that, do the same thing for the second csgo. We have seen about 8 different instances of CSGOLauncher. At the end of that process, a msg will show you how much files was wrong and re-download it. If the problem persists, try closing Steam (through Counter-Strike: Global Offensive is a game created by Valve Corporation and released on August 21st, 2012 as a successor to previous games in the series dating back to 1999.
You need to run Steam as administrator.
Now on the left click on Turn Windows Firewall on or off link STEP 5.
This is the second tab on top of the launcher CSGO has added Trusted Launch in its latest update to stop cheaters. exe instead of Steam - launch through only the Steam client. exe is known as CS:GO Launcher, it also has the following name Counter Strike Global Offensive Game Launcher or CS:GO Launcher and it is developed by Select Properties.