Just to check here - are the computer and Tablet both connected to the Deco's Wifi? Or is one or other still getting a connection from (or even cabled to) the Virgin Media router / modem? Have you...

Looking at that Trend Micro link, TM classify the site both as 'safe' in the rating column, and 'Internet Security Risk - Spam' in the content type side. I wonder if TPLink is using the content type...

Have you set up the VLAN ID? According to Plusnet, one is required for fibre and ADSL doesn’t use PPPoE so I presume that is what you have:...

Network should not need time to settle. This is a small home network, and is not running large network rounting protocols, or spanning tree that would require convergence. However I note in the...

mdfire wrote Thanks so I then put the Isp router into bridging mode and connect all devices downstream off Deco? Can the second ethernet port on the Deco go to a switch? Finally do I need to set...

The WAN IP is the 'outside' of the Deco unit. the Deco is saying it can't have inside and outside have the same network number. As @thefunkygibbon said, the most likely reason for this is that your...