January 17, 2019 - KB4480955 (Preview of Monthly Rollup) Windows 7

January 17, 2019 - KB4480955 (Preview of Monthly Rollup)

Applies to: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1

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Improvements and fixes

This non-security update includes improvements and fixes that were a part of KB4480970 (released January 8, 2019) and also includes these new quality improvements as a preview of the next Monthly Rollup update:

• Addresses an issue that may prevent some applications from displaying the Help (F1) window correctly.
• Addresses an issue in the Universal CRT that sometimes causes the AMD64-specific implementation of FMOD to return an incorrect result when given very large inputs. FMOD is frequently used to implement the modulo operator in JavaScript and Python implementations that use the Universal C runtime.

Known issues in this update



ADDED 2/11:


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.

If you are using Windows Update, the latest SSU (KB3177467) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the Microsoft Update Catalog.

Install this 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.

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

File information

For a list of the files that are provided in this update, download the file information for update 4480955.

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