The router is not that old less than 8 months. It is a TPLink AC1900, Archer C9. It has a 24 month warranty, but their customer service in notoriously bad and hard to deal with, so I am waiting for...

I thought it was sorted, not sure if it is the adapter is the problem. Definitely do not think it was Windows fault, but after more and more testing it seems that it is my TPLink router that is the...

Ken, I got my new adapter, and it did turn out to be a coincidence. The new adapter works great. Just very strange that the day of the update it started to misbehave. Thanks, Ken for all your...

Ken, The reason I think is probably a coincidence is that after the update the 5GHz worked, but it started to fade as I would use it. The 2.4 GHz side still works fine, but I can not even connect...

I had tried your suggestion of using the 8 driver by netgear, did not work at all.
I think that it was a coincidence that the adapter started failing at the exact time of the update. I am getting a...

I have a Dell XPS 8500 desktop that after the 1809 update my WNDA 4100-N 900 wifi adapter has become useless on the 5 GHx side. 2.4 is still fine. Initially after the update the 5 side would...