Re: Sims 3 expansions missing
@Cecil_Alcott I'm not sure whether IP is showing up in your Origin library but not the launcher, or whether Origin itself thinks you don't own it. Sometimes when the launcher doesn't recognize an installed game, rebooting your computer a couple of times will restore it. But if htat doesn't work, the first step would be to clear Origin's cache, and the second step would be to uninstall and reinstall Origin only. This would not affect your installed games.
https://help.ea.com/en-us/help/faq/clear-cache-to-fix-problems-with-your-games/
https://help.ea.com/en-us/help/origin/origin/manually-uninstalling-origin/
If neither of these steps help, it's possible that your pack has been removed by EA. This could be a mistake, but if you bought from an unauthorized third-party seller, the code could have been bad. For a bit more than a year, EA has been systematically deactivating codes that were originally stolen or otherwise fraudulently obtained, even though the players had had no idea that there was anything wrong. Whether it's a mistake or not, the only way to get this kind of thing sorted out is to contact EA customer support so that someone on that end can look at your account. No one here can see your account details, much less change them. It would be good to have any proof of purchase or ownership (photos of discs, cases, inserts, etc.; receipts) on hand for the chat.