I have this as one of the 4 access points in my house. This one routinely hangs. I mean, the UI seems fine, and I stay connected, but I cannot pass traffic. I usually connect to the other 5G access point with lower signal, just because that one works consistently.
The issue SEEMS to be with the A+ reception. When I had this in my bedroom, up on a wall, it worked fairly well.
If I have it on a desk, I still see full signal strength, but it seems to be spotty.
I recommend you make sure it's up high on the wall somewhere, and clear line of sight.
As for the network stack on your laptop, that's 100% to do with your laptop. Maybe it's only the A+ that triggers it, and maybe others do not, but a network stack should never wedge.
(It's like on iOS, if the network is spotty, the whole device will hang up because it doesn't put network tasks in separate threads... etc..)