"being forced to wait for hours while it downloads and applies updates to itself and the game I already have downloaded, installed, and partly played." The def

"being forced to wait for hours while it downloads and applies updates to itself and the game I already have downloaded, installed, and partly played." The default is to keep the game updated, I believe. Do you have it set to not do that? But then, I also have steam set to start on boot up. If you rarely start the steam client then it's going to need to apply updates. Do you have it set to start steam on boot up?