MSFS won't start at all

"This app can’t open"
“Check the Windows Store for more info about Microsoft Flight Simulator.”
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Before this issue, I paused the game and when I came back to it a couple days later, the game was no longer open. Either because of a windows update or fs can’t stay paused for so many days. Now I can’t get it to open, repair or anything.

This was before the recent Dec 22 update. Even the icon on my start menu has a “!” icon on it.

In Windows Store is says “This app encountered a problem. Please reinstall it to repair”

Does this mean I have to download everything all over again?