I've been waiting 20 years for this broken disappointment.

Delete the pso2_bin folder in C:\Program Files\ModifiableWindowsApps and restart the computer.

If you want to play again though: https://forum.pso2.com/topic/6111/gaming-services-updates-seem-to-make-the-pso2-windows-10-launcher-to-keep-going-in-this-status/2