After installing more expansion packs, my other ones uninstall..

i installed ambitions, generations, diesel stuff and town life expansion packs and when i go to play the game, the ones ive installed (supernatural, katy perry, master suite stuff, show timeand pets a while back dont show up on the launcher with all the icons highlighted if you have them or not, and when i click play the loading screen is just black.......
what should i do?

Hello,

Try this first: https://games4theworld.forumotion.com/t1171-must-read-how-to-install-the-sims-3-correctly