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)

This article describes issues that registry bloat may cause user logon delays or cause application users to receive a "0x800705AA" error. These issues occur on computers using Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. KB 3063843 consists of a corrective fix that prevents WNF registrations from being leaked after fix installation ...

This update improves the Windows 10 out-of-box experience (OOBE). This update applies only to the Windows 10 OOBE process and will be available only at the time that OOBE updates are installed.

The Windows 10 Universal CRT is a Windows operating system component that enables CRT functionality on the Windows operating system. This update allows Windows desktop applications that depend on the Windows 10 Universal CRT release to run on earlier Windows operating systems.

Important Defender for Endpoint has been removed from the base image for Windows 11, version 24H2 and needs to be manually installed whenever a device goes from Home to Pro.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

This update improves the Windows 10, version 2004, 20H2, 21H1, and 21H2 out-of-box experience (OOBE) by providing eligible devices the option to upgrade to Windows 11 as part of the OOBE process. If the upgrade to Windows 11 is chosen, the upgrade process will begin shortly after OOBE is completed.

To apply this cumulative update, you must follow the steps that are described in Updates for Skype for Business Server 2015 on computers that are running the following server roles:

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.

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.