Soon afterwards, Microsoft explains the reason for the issue and gives a corresponding solution.

In this article, we will show you specific information about this thing.

However, some Windows 7 administrators have felt the pain of Microsofts updates in last week.

[SOLVED] This Copy of Windows Is Not Genuine 7600/7601 - Best Fix

The KB4480970 solved a serious PowerShell flaw and also adds extra mitigations for and Meltdown and Spectre side-channel attacks.

Normally, the security-only update may avoid the bug, but it also causes the same issues.

But finally, this company has acknowledged the issues.

Windows 7 KMS Activation Issue Caused by Microsoft Mistake Not an Update

Windows 7 build 7600 or 7601 this copy of Windows is not genuine appears?

Now try 4 helpful methods to permanently fix Windows 7 not genuine.

Last week, for some reason, Microsoft pushed the April update, KB971033.

This code change is affecting Windows 7 machines that have the KB971033 update installed and are activated by KMS.

Actually, KB971033 should never have been installed in a KMS environment.

To do this, users can use one of the following commands and later restart the PC.