Well, it basically deteriorates the performance of a game and causes it to crash, freeze, lag, or stutter on your PC. Your game might not even open if some important game files are broken.

You should see the game begin validation of files—open Task Manager (Ctrl+Alt+Esc) and look at the Performance tab, and your network connection should show very little activity while your ...

If players are being told that they need to install and update game files in order to play Season 5 Reloaded, the best way to do so is to open Call of Duty’s ‘Manage Files’ option.

NVIDIA has a useful overlay that can enhance your gaming experience's visuals and provides a bunch of useful tools you probably didn't know existed.