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A new cumulative update for Windows 10 users just now rolled out by Microsoft. If you have version 1511, checkout Windows Update once, if you didn’t yet receive the upgrade notification. It’s a cumulative update for April 2016 and the build no. is 10586.218.


This update includes quality improvements and security fixes. No new operating system features are being introduced in this update. Continue reading to know details.


Windows 10 Cumulative Update (build: 10586.218, April 2016) is now available (


Windows 10 updates are cumulative of all previous updates. Installing the latest one ensures all quality updates available for your version of Windows 10 are installed, including security fixes. Microsoft released a new build (10586.218) for general public, who have already installed the version 1511.


This build focuses mostly on quality improvements and security fixes. Now new operating system features have been introduced. But in case you want to see the upcoming features in Windows 10 anniversary updates, register yourself as a Windows Insiders and get the latest insiders preview build: 14316.


The new cumulative build has the following fixes and improvements:

    • Improved reliability for Internet Explorer 11, .NET Framework, wireless LAN, Microsoft Edge, Windows Update, logon, Bluetooth, network connectivity, map apps, video playback, Cortana, USB, Windows Explorer and Narrator.

    • Fixed issue with connectivity of USB devices until OS restart.

    • Improved discoverability of printers when a device resumes from sleep.

    • Fixed issues with lock screen.

    • Support for visual voicemail on dual SIM phones.

    • Fixed issue with audio playback using Groove music and other music apps on a phone.

    • Fixed issue with revised daylight savings time.

    • Fixed additional issues with shutdown delays, Narrator, Cortana, roaming data usage, buying apps in the Store, video playback, facial recognition, Bluetooth pairing, Microsoft Edge, logon, Internet Explorer 11, Live Tile updates, .NET Framework and Microsoft Installer (MSI).

    • Improved security for CSRSS to address security feature bypass.

    • Fixed additional security issues with Security Account Manager Remote Protocol, HTTP.sys, secondary logon, Microsoft Graphics component, .NET Framework, CSRSS, Microsoft Edge and Internet Explorer 11.

April 2016 Security Release ISO Image

The ISO image (offline installer) is also available for download, which contains the security updates for Windows released on Windows Update on April 12, 2016. It's around 1 GB of size and can be downloaded from here: April 2016 Security Release ISO Image


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