In this sense, you can see this Windows suddenly says it needs to activate the system comes to you especially after Windows update. When reports from Windows 10 users and the researches of Microsoft experts combined, it can be concluded that deactivation problem after Windows 10 update in 2018 can mostly occur to you when you have just updated from Windows 7 Professional to Windows 8 Professional, or from Windows 8 to Windows 8.1 or from Windows 7, 8 to Windows 10. When Did Windows 10 Deactivate Itself After Update? Here to relieve your anxieties, this post will make out a detailed analysis about this Windows 10 deactivation error, which contains what it is, when it happens to you and how you can deal with it. Or some of you notice the description like Your system has not yet been activated on Windows 10. You will see Activate Windows in the right bottom of the Desktop. Our engineers are working tirelessly to resolve this issue and it is expected to be corrected within one to two business days.Īs you can see, Windows 10 deactivated itself after update can be now a mystery awaiting solutions.

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. This happens in Japan, Korea, American, and many other countries. Microsoft has just released an emerging issue announcement about current activation issue related to Pro edition recently. Here comes out the official announcement from Microsoft: How to Fix Windows 10 Deactivated Suddenly Itself?Īnd though Microsoft site has been working hard to figure out what Windows 10 not activated means and what can be done to fix this Windows 10 deactivation issue, there has not yet come out any solution so effective and powerful to get rid of it completely and totally.Why Does Windows 10 Suddenly Deactivate After the Update?.When Did Windows 10 Deactivate Itself After Update?.This deactivation issue of Windows 10 has been confirmed by Microsoft itself officially.

Recently, it has been a hot issue on both Reddit and Microsoft site that Windows 10 suddenly deactivated itself after upgrading to Windows 10 from Windows 7 or 8.