I faced the same issues earlier....tried few cheaper adapters but same prob....when connect 2nd monitor flicking & with 3rd monitor wont work....
example: https://shopee.sg/USB-3.0-to-HDMI-Adapter-Converter-Cable-Black-i.4148913.278771944
Finally i bought a relatively expensive but good quality...
If you are trying uninstall MS USB Display straight away, it will be showing message that Instances already running and need to close....No need to go to Display Driver and try to uninstall 3 MS IDD Drivers
Go to Task Manager (Ctrl+Alt+Del)...Under Process tab search Window USB Display & click...