@CwC11822 I split your comment into its own thread, as the other thread was six years old and didn't have any useful information.
There are many reasons for the service initialization error, which is not at all uncommon with Sims 3. It's a good idea to start troubleshooting here:
If you have questions about any of the steps, please feel free to ask. And if none of this helps, let me know; there are certainly other things you can try as well.