Sims 3 base game won't launch: 'Unknown Error Occurred'

[HannahLynn98]

Tried that with IP - still didn't work. I think I'm just gonna give up on it for now and just stick with TS4. 

Thank you so much for trying to help though!

[1345annie]

I had what your having with your sims 3 game and I found that this works

https://www.youtube.com/watch?v=F3T-Z492Hjo&list=LLt_OK5fnW234bBmKBAYMamw&index=3&t=0s