Microsoft released KB4493464 update package for Windows 10 version 1803 (April 2018 Update) based on x86, x64 (amd64), ARM64 and Windows Server 2016 (1803) processors for x64-based systems.
Installing KB4493464 via Windows 10 Update
Cumulative update KB4493464 for PC is installed automatically through Windows Update. To check, go to Settings > Update and Security and click Check for Updates. To complete the installation, you will need to restart the computer. After updating the build number, Windows 10 will change to 17134.706.
Improvements and fixes KB4493464 (17134.706)
Presents risk reduction measures against Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754) for a PC based on VIA. Protective measures are enabled by default for Windows client computers, but are disabled for Windows Server servers. Detailed information on these risk mitigation measures is available in KB4073119 for Windows client machines and in KB4072698 for Windows Server.
Fixed a stop error that occurred when trying to start an SSH client on the Windows subsystem for Linux (WSL) with agent redirection enabled using a command line key (ssh –A) or a configuration parameter.
Fixed a problem that caused the termination of applications using MSXML6, if an exception occurred while performing operations with nodes.
Fixed an issue that caused the group policy editor to hang when editing a Group Policy Object (GPO), which contains an additional set of Group Policy Group Policy Preferences (GPP) functions for Internet Explorer 10 browser settings.
Fixed an issue that occurred when enabling end-user-defined characters (EUDC). The system stopped working and a BSOD appeared while attempting to boot.
Download update KB4493464Download x64 version
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Download Windows Server 2016 version