@SayeemAhmed When you get a chance can you go into the deco app and click on more and provide a screenshot of all the options you see also click on systems and provide a screenshot of that screen as...

@Myhre @David-TP Never had this exact issue before but the last time I had to factory reset my decos it wiped the main network. What if (if the deco supports it) a backup then reset and restore?...

@Dazzling_69 Your Archer VX1800V supports Easy Mesh while the X50 supports Deco mesh. You cannot form a mesh network with the two units per the following Summary Though Deco Mesh, EasyMesh, OneMesh™,...

@Bramus Did you submit the log as David requested? If not please see this post with the directions on how to submit the log https://community.tp-link.com/en/home/forum/topic/859776?replyId=1675010...

@DR9999 If you open the app you should see a section called "Everything looks good" click on that You should now see a map with all of your deco's. Click the deco you want to remove then at the top...

@Toboe While you wait for @David-TP try deleting your cookers on the browser you use to access the web interface. I had the same problem trying to access the web ui after the upgrade and that fixed...