I think this one github.com/nextcloud/desktop/issues/5369 is probably the more relevant, and also open, issue. However even in that issue people claim you can choose not to. The argument is only that it suggests restarting explorer and also rebooting and that this is annoying. So you never get a prompt, it just dies?

I agree though that the amount of time where it was force rebooting is pretty bad, and it looks like the rollout of the patch was mishandled. I also should probably admit that I’ve never touched the windows client, my environment is entirely Linux and Android. The Linux client even with file manager integration doesn’t require restarts of anything.