Microsoft has just released an Emerging issue announcement about current activation issue related to Pro edition recently. This happens in Japan, Korea, American and many other countries.Microsoft recommends to sit tight and do nothing. The activation issue should be resolved within one to two business days.
I am very sorry to inform you that there is a temporary issue with Microsoft's activation server at the moment and some customers might experience this issue where Windows is displayed as not activated.
Our engineers are working tirelessly to resolve this issue and it is expected to be corrected within one to two business days.
Yet another bug: Windows 10 suddenly no longer activated
Posted on Thursday, Nov 08 2018 @ 13:26 CET by Thomas De Maesschalck