Having same problem with Netflix on two new 4K sticks and three year old Ultra Netflix error tvq-st-106.. No problem on laptop or Android tv. Have tried EVERYTHING suggested in the past 10 pages of posts except switching to Firestick. Evrything has been updated, restarted, uninstalled, installed, refreshed multiple times. This is not my first rodeo.
Half hour on the phone with Netflix (they told me I didn't know how to enter my password - really, there are upper and lower case letters? Didn't know that, sheesh!- and then that it was an ISP problem. Sure after three years there's a sudden ISP problem.
For some reason Netflix platform and Roku devices in my house won't talk anymore. Both parties have some responsibility here; so fix it. If I have to replace three Rokus with Firestick, I won't be coming back.
No help from Roku I guess.
