I run Spotify on 4 different devices (Android and 3 Windows desktop PCs) and I have noticed an issue just on one of the PCs. After every update, the last song/playlist that was playing doesn't load, as it happens every time I just open Spotify - the song bar is just blank and I have to find the song/playlist again.
Welcome to the Community and thank you for posting.
Since this issue seems to be isolated on that specific PC, please start by running a clean reinstall of the app. This one is more thorough than a regular one and can be helpful to get rid of any cache that might be causing trouble.
After removing the app and the folders, make sure to download it directly from the Microsoft Store.
Let us know how it goes.
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