Roblox not working is a common problem in 2021. So here are some solutions that can resolve this issue to get Roblox working for you again ...

Fix #5: Whitelist Roblox in your firewall settings. If your machine’s firewall is actively blocking your Roblox game, it may also lead to players being unable to log in or find their game servers.

How To Fix Roblox Internal Server Error 500 | NEW & Updated in 2025 By Harvey Hisona April 22, 2021 September 1, 2023 Are you having a hard time playing Roblox due to Internal Server error?