Before proceeding with this make sure that the Agent, Blizzard desktop app, and game processes are not running.
This a new copy of the files will be downloaded. If the problem is caused by corrupted files then you will need to delete the folder. There are certain game settings that might be incompatible with your computer hardware which could lead to this problem.
Method 2: Reset the in-game options to fix StarCraft II not launching This will scan for any missing or corrupted game files and make the necessary fixes. You can do this by clicking on it from the Start menu list of applications.
