@David-TP Sorry but I'm sending it back. I've scoured the internet for solutions and the only thing any of the posts have in common is that the issue doesn't get resolved. It doesn't fill me with any...

I've seen this on other posts "Please try the following drivers which aimed at improving stability: https://static.tp-link.com/2019/201911/20191128/T4E.zip How to manually install the driver:...