Unofficial Game Modification Error.[SOLVED]

:newfag:
Hello,
I have installed Sims 3 Showtime yesterday, I updated the game and used the ultimate fix cracks, carefully following the instructions.
From the start I have been getting an error that says 'It looks like you have installed an unofficial game modification that does not match your current version of The Sims 3. We recommend that you either uninstall these game modifications or get updated versions of them - otherwise you may experience crashes or significant bugs. Do you want to quit?'
Today I decided to try again and re-install the base game and expansion packs (late night and showcase) then downloaded the updated ultimate fix and the manual patch.
I still get the same error. I ran out of ideas, what should I do? I want to play my game. Please help..

I'm using the crack from the updated ultimate fix. And yes I do use Mods however everything has been working perfectly before I installed Showcase

When I removed the Mods folder I didn't get an error anymore! Sorry, I didn't know it could be something as simple causing this error. Thank you!

Is there any way to find which file should be removed? Or do I have to delete them all?

Most of them are package files like clothes and skins. But I have one slider mod so it might be that. I'll try and check them out! Thank you for your help

I have the same problem..
I've r-installed (followed everystep)
I have deleted all custom contend and still - no reslut
My family... My f a m i l y.. *clinches hands aganist the sky*

Any who.. what to do?
Delete everything?

I deleted the slider and got no more errors

Meretzki, you should of moved your 'Saves' into a different folder so you don't lose your families.. I can't help you, but I'm sure these guys will! Good luck!