November 2, 2017—KB4049370 (OS Build 15063.675)

Improvements and fixes

This release is intended for Microsoft Surface Laptop audiences only. This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Addressed issue where after installing KB4038788, some Microsoft Surface Laptops boot to a black screen. Additionally, you must press the power button for a long time to recover.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

Symptom	Workaround
Installing this update may cause applications based on the Microsoft JET Database Engine (Microsoft Access 2007 and older or non-Microsoft applications) to fail when creating or opening Microsoft Excel .xls files. The error message is, “Unexpected error from external database driver (1). (Microsoft JET Database Engine)".	Download and install the Microsoft Access Database Engine 2010 Redistributable, and then modify the DB connection strings in Microsoft Excel to use ACE as a provider. Example: Change Provider=Microsoft.Jet.OLEDB.4.0 to Provider=Microsoft.ACE.OLEDB.12.0. Microsoft is working on a resolution and will provide an update in an upcoming release.
Universal Windows Platform (UWP) applications that use JavaScript and asm.js may stop working after installing KB4041676.	Uninstall the application. Once this is complete, reinstall it. Microsoft is working on a resolution and will provide an update in an upcoming release.
Even after successfully installing the update and rebooting, you may see the message “Update needs a restart” in the Control Panel UI.	Microsoft is working on a resolution and will provide an update in an upcoming release.
After installing this KB, Internet Explorer 11 users who use SQL Server Reporting Services (SSRS) may not be able to scroll through a drop-down menu using the scroll bar.	This issue is resolved in KB4053580.