@Robert_M Hello, Our engineer will email you, if you are willing to do further analysis, please check your inbox. Thanks for your cooperation and support. Good day.

@fujisan Hello, what is the operating system and version of your computer? Is it also a Windows 10? If possible, it is suggested to try to run this upgrade tool on another computer to give it a shot....

@SrDarkWarrior Hi, the Ethernet cable came with Deco M9 Plus V2 is a CAT5e one, which supports a gigabit connection.

@RobF Thank you so much for your efforts and valued info, which is very helpful, we will soon check what's wrong with the specific Windows 10 Home V2004. Have a nice day.

@xd-data-ii Hello, Our engineer will email you, if you are willing to do further analysis, please check your inbox. Thanks for your cooperation and support. Good day.

@Agathian Hello, apologies if there is any 'threat' reported by the AV software. We can ensure the zipped file, as well as the firmware uploaded on the TP-Link official website, are safe. And as both...