Fix #3: Check Roblox server status. Sometimes, a Roblox game may not launch or return an error like the HTTP 503 service unavailable when you try to open it because of an on-going server trouble.

Also, allow the Roblox Player and the ports required by Roblox through the firewall. Disable your VPN to boost your internet speed and flush the DNS cache to fix network connectivity issues.

Check the box beside Always allow www.roblox.com to open links of this type in the associated app, and click on Open Roblox It should fix the issues you are facing with the white screen on Roblox.

Roblox is officially supported on a wide range of platforms, but Linux is missing from that list. Though it doesn’t have official support, you can still play Roblox on Linux.

With Roblox available on many formats, here's everything you need to know about the game, including tips on how to play safely online.