Solved
Sims 4 won't start because of 'missing or damaged files'
Hi, Everything was working fine for the sims 4, until I started running out of space for the game. So I deleted my sims 3 and all the expansion packs I had for it 🏀. During this process a de-authori...
Please have a look at this page:
http://sims4.crinrict.com/en/2015/02/cannot-start-because-required-game-data-is-missing-or-damaged/
It's a known issue.
