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 ...

Why is Roblox not working on PC? If Roblox is not opening or working correctly on your PC, it could be due to an ongoing server issue that is preventing you from launching the app correctly.

If Roblox Marketplace is not working or loading and you see If you are having trouble loading Marketplace message, then see this post.