Hi there, I have the same problem. When starting the flight simulator an app store windows of the gaming services is starting instead. This is not the first time that I have this issue. Reinstalling the services with powershell in admin mode as described in some threads did not work (this time). The gaming repair tool that I found on the microsoft home page did not work either. The Last time I could start MSFS was by the time of the last world update. I think I have this problem like 90% of the time. Any suggestions?