Files in your SCII installation are damaged

I can’t start SC2
I have uninstall, reinstall, scan and repair
Still same problem

Hi I need help for a couple of days I’ve been experiencing audio problems in the game in the accuracy of the starcraft 2 campaign that of the terrans, and then every time I access the game it gives me brief updates but above all I haven’t received the 5.0 update yet. 11 how come ???