If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-0281.

This update allows Windows desktop applications that depend on the Windows 10 Universal CRT release to run on earlier Windows operating systems. Microsoft Visual Studio 2015 creates a dependency on the Universal CRT when applications are built by using the Windows 10 Software Development Kit (SDK).

When you uninstall this cumulative update, insert the source CD or provide the path where the source files can be found if you are prompted to do this. After you uninstall this update package, Internet Information Services (IIS) may stop running.

How to install the update. To install this cumulative update for Skype for Business Server 2015 (Web Components Server), follow the steps that are described in Updates for Skype for Business Server 2015 (KB3061064). Note The Cumulative Server Update Installer applies all updates for the appropriate server role in one operation. Prerequisites.

April 2016 cumulative update 4.0.7577.728 for Lync Server 2010, Web Components Server. This cumulative update fixes a range of issues in Microsoft Lync Server 2010, Web Components Server. The version number of this update is 4.0.7577.728 .

The following file is available for download from the Microsoft Download Center: Download the WebComponents.msp package now. Release Date: January 2011. For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

To apply this cumulative update, you must follow the steps that are described in Updates for Skype for Business Server 2019 on computers that are running the following server roles: Skype for Business Server 2019, Standard Edition server. Skype for Business Server 2019, Enterprise Edition - Front End server and Back End server.

Update package installation information. To install this update package, install the KB2500441-x64-WebComponents.msp package on computers in your network that are running the following platforms: Lync Server 2010 - Standard Edition. Lync Server 2010 - Enterprise Edition - Front-end.