July 30, 2018 - KB4346877 (OS Build 14393.2396)

_Windows 10, version 1607, reached end of service on April 10, 2018. Devices that are running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. _To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10.

IMPORTANTWindows 10 Enterprise and Windows 10 Education editions will receive six months of additional servicing at no cost. Devices on the Long-Term Servicing Channels (LTSC) will continue to receive updates until October 2026 per the Lifecycle Policy page. Windows 10 Anniversary Update (version 1607)-based devices that are running the Intel “Clovertrail” chipset will continue to receive updates until January 2023 per the Microsoft Community blog.

Information and fixes

This update addresses an issue that was introduced in the July 2018 .NET Framework update. Applications that rely on COM components were failing to load or run correctly because of “access denied,” “class not registered,” or “internal failure occurred for unknown reasons” errors.For more information about this issue, see the following article in the Microsoft Knowledge Base:4345913 “Access Denied” errors and applications with COM activation fail after installing July 2018 Security and Quality Rollup updates for .NET Framework

Knows issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.**Prerequisite:**The servicing stack update (SSU) (KB4132216) must be installed _before _installing the latest cumulative update (LCU) (KB4346877). The LCU will not be reported as applicable until the SSU is installed.File informationFor a list of the files that are provided in this update, download the file information for cumulative update 4346877.