Wusa.exe is a tool that installs and uninstalls update packages in Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2016 and Windows 10. Learn how to use Wusa.exe with switches, command-line options and examples.

Microsoft .NET Framework update packages that are built for the Windows Update Standalone Installer (Wusa.exe) support the standard command-line switches for Windows update packages. For more information and a list of supported command-line switches, see Description of the Windows Update Standalone Installer in Windows.

When you use a script to install the .msu update package, the installation fails. When this problem occurs, the Wusa.exe process returns error code 0x800f0823. Cause. This problem occurs because the installation requires a new version of the Windows Modules Installer or the servicing stack. Resolution

When you install an update by using Windows Update Stand-Alone Installer (WUSA) in Windows 8.1 or Windows Server 2012 R2, WUSA may occasionally freeze. This causes the update installation to fail. Resolution Update information. Microsoft Download Center. A supported hotfix is available from Microsoft Support.

WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, select Control Panel, and then select Security. Under "Windows Update," select View installed updates, and then select from the list of updates. File information. See Microsoft Knowledge Base Article 4056564. See Microsoft Knowledge Base Article ...

How to obtain help and support for this security update. Resolves a vulnerability in Windows that could allow remote code execution if an attacker is able to execute a man-in-the-middle (MiTM) attack on a workstation or print server, or set up a rogue print server on a target network.

Summary. This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if a locally authenticated attacker runs a specially crafted application. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-130.

This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, Skype for Business, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document.

Summary. This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker launches a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.