It looks like you installed your game to a directory that is protected by the system. I recommend storing your games on a separate storage device to avoid issues like this. If you can’t do that, create a new partition, look up how to do so on youtube. If you can’t do that, create a new folder in the root of your drive, and store them there. Before you extract the game from the archive, you should right click it, look down, select properties. Look for “Unblock” towards the bottom right corner of the window. Check the box next to it and hit apply. One last thing, have you tried to run the game as an administrator?