KB4507463 Preview of Monthly Quality Rollup for Windows 8.1 - July 16

July 16, 2019 - KB4507463 (Preview of Monthly Rollup)

Applies to: Windows 8.1, Windows Server 2012 R2

Improvements and fixes

This non-security update includes improvements and fixes that were a part of KB4507448(released July 9, 2019) and also includes these new quality improvements as a preview of the next Monthly Rollup update:

Updates time zone information for Brazil.

Addresses an issue with the Workflow definition cache.

Addresses an issue with opening or using the Window-Eyes screen reader application that may result in an error and prevent some features from functioning as expected.

[ADDED 7/22] Disables Microsoft Visual Basic Script (VBScript) by default in the Internet and Restricted sites zones in Internet Explorer and the WebBrowser control.

Known issues in this update

How to get this update

Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes.

If you are using Windows Update, the latest SSU (KB4504418) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

Install this update

Windows Update or Microsoft Update - This is provided as an Optional update on Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update.

Microsoft Update Catalog - To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS) - You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

File information

For a list of the files that are provided in this update, download the file information for update 4507463.