Microsoft has blocked the installation of updates for Windows 7 and Windows Server 2008 R2

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In the past few months, Microsoft has regularly updated its newsletter support.

Microsoft has blocked the installation of signed certificates with SHA-2 update for Windows 7 and Windows Server 2008 R2 on computers with security solutions from Symantec and Norton.

This writes the Chronicle.info with reference to internetua.com.

Lock is that the antivirus removed the updates during installation, which Windows no longer starts.

In the past few months, Microsoft has regularly updated its support Bulletin reminding companies and users about the refusal of the updates are signed with SHA-1 and moving to SHA-2.

Starting Tuesday, August 13, on a PC running Windows 7 SP1 and Windows Server 2008 R2 SP1 updates will be installed, signed digital certificates SHA-2. The transition to this algorithm due to the insecurity of the previously used SHA-1. However, because of the transition to SHA-2 security solutions from Symantec and Norton started to block or remove the updates KB4512506 and KB4512486 in the process of installation, and the system ceased to boot.

As a precaution, Microsoft has temporarily blocked the updates for Windows 7 and Windows Server 2008 R2 as long as Symantec does not solve the problem. According to the notification Symantec, the fix will be available with the release of the next product versions.

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