New to Cubase PLEASE HELP

I hope you weren’t sold the Behringer unit as “Pretty much the best” as well!

Okay, all kidding aside …

Why are you using ASIO4ALL if it has its own driver?

https://www.behringer.com/Categories/Behringer/Computer-Audio/Interfaces/UMC202HD/p/P0BJZ/Downloads#googtrans(en|en)

Still have no clue what your operating system is …