Improvements and fixes
This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
Addressed issue where applications based on the Microsoft JET Database Engine (Microsoft Access 2007 and older or non-Microsoft applications) fail when creating or opening Microsoft Excel .xls files. The error message is: “Unexpected error from external database driver (1). (Microsoft JET Database Engine)".
Security updates to Microsoft Windows Search Component, Windows Media Player, Microsoft Graphics Component, Windows kernel-mode drivers, and the Windows kernel.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
You must have the following update installed:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update: April 2014
Known issues in this update
After you install this update, some Epson SIDM (Dot Matrix) and TM (POS) printers cannot print on x86 and x64-based systems.
This issue has been resolved in KB4055038.
How to get this update
This update is now available for installation through WSUS. To get the standalone package for this update, go to the Microsoft Update Catalog website.
For a list of the files that are provided in this update, download the file information for update 4048961.