January 17, 2026—KB5077797 (OS Build 22631.6494) Out-of-band
How to get this update Before you install this update Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions. Install this update To install this update, use one of the following Windows and ...
Servers restart unexpectedly when the Lsass.exe process crashes in ...
Fixes an issue that occurs when the Lsass.exe process crashes in Windows Server 2008 R2 Service Pack 1 (SP1) or Windows 7 SP1.
Lsass.exe crashes and error code 255 is generated in Windows Server ...
Fixes an issue in which the Lsass.exe process crashes on a Windows Server 2008 R2-based or Windows 7-based computer. This issue occurs when the computer is running under a high Kerberos authentication load.
The Systems Management Server (SMS) Agent Host service (Ccmexec.exe ...
Fixes an SMS Agent Host service (Ccmexec.exe) issue that occurs on a System Center Configuration Manager 2007 SP2 client computer. This issue blocks software distribution and software updates on the client computer.
How to perform a clean boot in Windows - Microsoft Support
Describes how to use the clean boot process to troubleshoot a problem in Windows
Repair apps and programs in Windows - Microsoft Support
Select Start > Settings > Apps > Apps & features. Apps & features in Settings Select the app you want to fix. Select Advanced options under the name of the app (some apps don't have this option). In the page that opens, select Repair if it's available. If it isn't available or doesn't fix the problem, select Reset.
Splwow64.exe process does not end after a print job finishes in Windows ...
Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. More Information For more information about the similar issue, click the following article numbers to view the articles in the Microsoft Knowledge Base: 2815716 Splwow64.exe process doesn't end after a print job finishes in the 64-bit version of Windows 7 or Windows ...
Uninstall Microsoft 365 or Office from a PC
Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.
You receive a "lsass.exe-system error: Security Accounts Manager ...
If you use Event Viewer, you see that the following event is logged: Cause This problem may occur if the Active Directory directory service contains duplicate cross-reference objects, and these objects represent domains that are in the Partitions container. If there are duplicate cross-reference objects, Windows Server 2003 cannot initialize the Security Accounts Manager (SAM) and Active ...
Enable Virtualization on Windows - Microsoft Support
Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.