Do not exit @Chris3 sometimes you only need to do a bit of research or a bit off effort like you did in this forum and there will be a helping hand. It is very unfortunate that the tech industry is moving very fast forward. Not every new change is allways a good change…
Did you buy your FP3 directly from /e/? If yes then you are eligeble to get support from them.
If you would like try something yourself I would suggest to clear the cache of the updater. Here is a little Tutorial for it:
When you choose ‘see all app’ , then you might need to show System app’s with the hamburger (three dots) menu.
Here is mine, it is on german but the icon should be the same:
