Sims 3 world adventures installation issue

Hello,

I am having trouble being able to install world adventures, I get to the first update, begins to install correctly until it gets to the last part of installing then it pops up with the error "dfc-gorilla error" then closes off and then says "invalid file found"

thank you for your time.

Hello,

Please do the following to fix your problem:

1. Completely uninstall The Sims 3 + All expansions.
2. Restart your PC.
3. Reinstall The Sims 3. DO NOT APPLY THE CRACKS!
4. Install WA.* DO NOT APPLY THE CRACKS!
5. Install HELS.* DO NOT APPLY THE CRACKS!
6. Install Ambitions.* DO NOT APPLY THE CRACKS!
7. Install Fast Lane Stuff.* DO NOT APPLY THE CRACKS!
8. Install Late Night.* DO NOT APPLY THE CRACKS!
9. Update the launcher to the latest version.
10. Apply these updated Cracks: https://games4theworld.forumotion.com/fixes-f18/the-sims-3-latest-cracks-download-t656.htm
11. The Game should work fine now.

* = Optional