Make sure that Compatibility mode is disabled
Users report that Compatibility mode can cause some issues with Counter Strike: Global Offensive on Windows 10, so it’s advised that you turn it off. To turn off Compatibility Mode do the following:
Go to Counter Strike: Global Offensive installation directory and locate csgo.exe. By default the installation directory should be:
\SteamApps\common\Counter-Strike Global Offensive\
Find and right click csgo.exe. Choose Properties from the menu.
Navigate to the Compatibility tab and uncheck Run as Administrator and Compatibility mode.
Click Apply and OK to save the changes.
Run the game again to see if the issues are resolved.
Solution 2 – Delete csgo.exe and add cl_disablehtmlmotd 1 launch option
Go to Counter Strike: Global Offensive folder, locate csgo.exe and delete it.
Now go to your Steam Library.
Find Counter Strike: Global Offensive and right click it.
In Properties window navigate to Local tab.
In Local tab click Verify integrity of Game Cache.
When the process is completed go once again to the CS:GO installation directory and locate csgo.exe.
Repeat all the steps from Solution 1. In addition make sure that everything is unchecked in csgo.exe Compatibility Tab.
Go back to your Steam Library once again and right click CS:GO and choose Properties.
Click on Set launch options.
In new window enter -cl_disablehtmlmotd 1.
Save the changes and start the game.