Microsoft Store updates alway fail please don't force me into that update

The way MSFS is designed, updates are mandatory to keep the local install and cloud compatible.

There is a #self-service:wishlist about “forced updates” that you can up vote if you wish to have changes done.
https://forums.flightsimulator.com/t/dont-force-users-to-update/274148

You may also submit through zendesk your feedback and feature request. When posting, please keep topics & posts constructive.

Zendesk: https://flightsimulator.zendesk.com/hc/en-us/requests/new