Can't run the sims 4 unless the computer is in safe mode

I am not quite sure, but you can always do a computer scan from your antivirus. Then a scan from a malwarebytes-related software. If you want to clean up some junk from your computer, I suggest  CCleaner. 🙂

Anyway, please post your DxDiag. (Use spoiler tags)

http://help.ea.com/en/article/how-to-gather-dxdiag-information/

Post all of it. Not just some of it.