Make sure you have the latest version of the PokerStars app installed and restart it. If you have a firewall or security software, make sure it allows the PokerStars app to access the Internet. Restart your PC / smartphone.
You are in an existing poker cash game or have an active Casino session. You are under 19. You must be at least 19 years old to play on PokerStars in Ontario. You can't legally gamble if you're under this age and will need to withdraw your funds from your account balance.