@Paul4256 Hi, Just a little bit of info on the Powerlines, if you've previously had them working then this is unlikely to be the issue, however they work by using your ring main as Cat cable which...

@rinodb DSL Modem router mode is what you want for things to work together, Whose your ISP? I gather that the auto set up settings in set up aren't showing your ISP in VDSL state? Easiest way round...

@heyigun If you don't have a usb stick available simply dragging the FW to the desktop should remove any folder protection problem and then flash from there, I'd also disable temp any AV programs at...

@Minimal_Risk Change the DNS to either 8.8.8.8 and 8.8.4.4 or 1.1.1.1 and 1.0.0.1 You're set up ok and connected so the problem looks like the router can't find a valid DNS service to go through, hth.

@heyigun Not looking good tbh and I can't really help properly from a distance so to speak, however I will leave you two more suggestions to try or these would be my next attempts anyway, 1 Factory...

@heyigun In that case you'll need to badger Kevin or Stella for a fix it FW, I can't think of any other reason why it won't accept it other than you now have basically two conflicting instruction...