Sims 3 software, won't update

I would like to update my game to the latest patch but every time I try update the game it comes up "invalid file found", and won't let me update.

Is there a reason to this, as well as a solution?

Admin edit: Topic moved to right section.

- ADMIN

I'm sorry but this is not the place to post this, your topic will be moved soon.

Hello,

Please apply this Fix and read the included instructions very carefully: https://games4theworld.forumotion.com/t752-the-sims-3-ultimate-fix-should-fix-most-of-your-problems

After applying it correctly, your game should work fine. Good luck!