Error message and shutdown still happening... :'(

Thank you for your answer. The error message still happens though even after i logged in the website.. Also I don't know if that helps, but I created a free account to see if it would work (it does). And on the account selection screen, i can see the flag next to the free account i created, but not ...

Hi, I can't play Trackmania Stadium ! I bought the game a loooong time ago, and wanted to reinstall it and play it a bit yesterday. Unfortunately, when i try to go online, i get the error in the title and my game shuts down. When i try to go offline, i get : "Could not install or update the tit...