Roku Error Code 018( www.rokuerrorcode009.com/ )To start with, first check whether or not all of the internet connection is working properly and also whether all wires are properly plugged in.Then check the name of the network you are connecting to from. If it is the same unit then test the strength of the signal.Users can also test whether they have the appropriate set of wires connected to the device.The user can then test if the Internet speed is sluggish on other browsers or even on a Roku computer. If the internet is sluggish on the browser then the user must clear the browser's caches, cookies and history.