If Roblox keeps crashing or gets disconnected with error An unexpected error and Roblox needs to quit on Windows 11/10 PC, then here are the working fixes.

If Roblox is not downloading or installing on your Windows 11/10 PC, restart your PC and if that doesn't help, use the fixes discussed here.

On Windows 11, you can use the "Windows Sandbox" feature to create an isolated lightweight virtual machine to test potentially harmful applications without affecting your main setup.