Installed games not showing in library anymore and cannot be opened through start menu...

Ys in the Xbox app it is in my library in the Microsoft store is shows installed but I try to open the game from ALL APPS menu and nothing I get an error. I did the Microsoft help thing to uninstall and now even link in the start menu is gone but the store
still said installed and Xbox app

which list specifically do you mean? if you mean the achievement list for your gamertag, you cannot remove those. if you mean installed games from the My Games & Apps, then you can press the Menu (Start) button, and go to Manage Game which will allow you
to uninstall them and free up space on your hard drive. if you mean games showing under Ready To Install, then you can press Menu and then choose Hide to have them not show up there anymore.

It still shows up in Game Pass if you view the whole game library from Xbox. Maybe it’s not supposed to show up anymore? I double checked through manage downloads and it shows episode 1-3 downloaded

Same here. My entire xbox 360 library is no longer appearing under my ready to install list. I can't start any 360 digital game, and it doesn't even show that i OWN the games anymore.

Hundreds of dollars worth of games gone......

This is a horrible bug.

Please fix this quickly.

The home page will only show your most recently opened games and apps for a specific account. Were you logged in to the same account when this happened? Also if a game or app isn't on the home page anymore you can go to your games and apps menu and it
will show you everything current installed on your console.