Everytime I want to play League I have to reinstall.

I started playing League again lately and when I try to open it the file is damaged, then I reinstall it and I can basically play as many games as I want. But the next day when I try to open the game, it's damaged again and I can't open it, so I have to reinstall if I want to play a game of League. It's really frustrating because patching takes forever and this is not normal anyways, so how do I fix this? (i'm on a mac by the way) Update: The second patcher stopped at 75% and is now going backwards. fix your shit Riot ffs. Update 2: The client closed itself. And guess what happened when I tried to open it? * drumroll * – Yep, the client is damaged and unable to be opened again. Great.
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