This fix is for players using the Roblox App to play games. There are scenarios where your Windows Firewall blocks the Roblox App’s outgoing connection to the servers resulting in error code 279.

First things first: make sure you’re running the latest version of the Roblox Player. Outdated versions are notorious for causing conflicts. Check the official Roblox website or your platform ...

Roblox can encounter the error code 279 due to your connection speed or quality. It’s a good idea to run a speed test on the device you use to play Roblox to ensure the internet link is stable.