Hopefully, you will be able to resolve the issue using the solutions mentioned here. Read: What is Roblox Studio and how to set it up on Windows 11/10? How do you fix a stuck Roblox installation ...

Every Way to Fix Roblox Not Installing on Your PC It’s difficult to pinpoint the exact cause of the problem, so what we’ve done is create a series of steps that’ll touch on every possibility.

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