It is always good to have the latest version of Windows 10 installed, and that is why taking advantage of the October 2019 Patch Tuesday is a must.

These include cumulative updates for Windows 10 v1607 and v1507, namely KB4519998 and KB4520011.

These updates mainly focus on improved username and password verification, better security when using Internet Explorer and Microsoft Edge, and more.

KB4519998 and KB4520011 Changelog

Updates for both Windows 10 v1607 and v1507 contain several improvements and fixes, such as:

However, VKB4519998 and KB4520011 come with their own share of downsides.

  • Addresses an issue that prevents netdom.exe from displaying the new ticket-granting ticket (TGT) delegation bit for the display or query mode.
  • Addresses an issue in security bulletin CVE-2019-1318 that may cause client or server computers that don’t support Extended Master Secret (EMS) RFC 7627 to have increased connection latency and CPU utilization. This issue occurs while performing full Transport Layer Security (TLS) handshakes from devices that don’t support EMS, especially on servers. EMS support has been available for all the supported versions of Windows since calendar year 2015 and is being incrementally enforced by the installation of the October 8, 2019 and later monthly updates.
  • Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 32-Bit (x86) versions of Windows (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client article. (These registry settings are enabled by default for Windows Client OS editions.)
  • Addresses an issue with applications and printer drivers that utilize the Windows JavaScript engine (jscript.dll) for processing print jobs.
  • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Windows Cryptography, Windows Authentication, Windows Storage and Filesystems, Windows Kernel, and Windows Server.

For example, operations such as renaming files and folders that are on a Cluster Shared Volume may result in certain errors.

If you have automatic updates enabled, you’ll get KB4519998 or KB4520011 (depending on your Windows 10 version) on your PC by default.

You can also choose to update them manually from the Microsoft Update Catalog:

  • Download KB4519998 [DIRECT DOWNLOAD LINK]
  • Download KB4520011 [DIRECT DOWNLOAD LINK]

If you’ve already installed one of these updates and have encountered issues with them, let us know in the comments section below!

If the advices above haven’t solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

Still having issues? Fix them with this tool:

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