I need major help:

So a couple weeks ago, i noticed that in Create a Family in the Sims 2 that i couldnt choose a premade sim or change the head, then i noticed i couldnt modify any of the facial features. I really need some help, I dont know what went wrong and i really want to make some familys and i am very particular about the people i maje so please help me.
Thank you

• Discussion - Sims 2 Game Problem
  Remember, as the message said that displayed before you posted your thread...
  
  If you're having any problem, issue, error, or glitch with your game, that's a job for MTS's Help section. There's both articles with common issues as well as Q&A support forums where you can ask questions and get specific help.
  
  Game Help:Game Problem^wiki
  
  try all of the steps in the above-linked FAQ, in order, and don't skip anything! Even if your specific issue isn't listed there, it's still a good idea to try those steps, to rule out the most common causes of game issues.
  
  If you still have trouble, you can post a new thread in the Help Q&A forums. There's a link to the Help Q&A forums at the top of every FAQ in the Help section. If you do post there, make sure to read and follow the directions that will display before you post there!
  
  Good luck, and happy simming! :)