Factory reset fixed the problem, hopefully no more problems.

Model : Hardware Version : Firmware Version : ISP : How I hate thee!! Bad enough my wired connection with openvpn drops a lot (it's ok when not using VPN), I can't change the 2.4ghz channels, it's...

If I'd known how little they upgrade firmware I'd not bought this Archer C8... not to happy or impressed with it. Wish I'd stuck with Netgear or gone Asus, good support and 3rd party firmware...