Hey, so I just decided at the beginning of this week that I wanted vatsim. I have the new Microsoft flight simulator 2020 so I decided to get the client v pilot which is compatible to this simulator. The first time I downloaded it, it ran! So when I went into the flight simulator at a gate it also ran. But when I left the game and tried to open it in my desktop it ran no more. So I decided to delete all of its files and uninstall it and re download it. Sometimes when I re install it, it has to abort the download. But ignore that. When I get it again it works but the whole cycle happens to me a