Fix #1: Hit the refresh button. Simply refreshing the page can sometimes be the only thing that you need to load a website or play Roblox again.

Do I need a powerful computer to play Roblox on now.gg? No, now.gg streams the game, so you don't need a powerful computer.

While the traditional way to play Roblox is through the dedicated desktop application, players now have the option to enjoy Roblox games directly in their web browsers using a service called Now.gg.

Reboot your computer. Run your Roblox game again and check if the Teleport Failed error is still there. Fix #5: Whitelist Roblox in your firewall settings.