If KRNL-Injector failed to find the Roblox process, delete KRNL App data and see. If that doesn't help follow the solutions mentioned in this post to resolve the issue.

Hundreds of gamers playing Roblox have blasted outages and connection errors with Downdetector showing a huge spike in issues with the platform just after 10am ...

Roblox allows users to create and play games together. It's a way to connect, in real time, with other people in a digital world.