When you start Wusa.exe in interactive mode, a welcome screen displays high-level information about the update. If you continue to install the update, Wusa.exe calls the appropriate function in the Windows Update Agent API to start the Windows Update wizard.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

IMPORTANT Windows Server 2008 Service Pack 2 (SP2) has reached the end of mainstream support and is now in extended support.

Learn more about this SSU update for Windows 7 SP1 and Windows Server 2008 R2 SP1.

Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. We strongly recommend you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). Installing servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your ...

After you install the items above, we strongly recommend that you install the latest SSU. If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU ...

Applies to Windows Server 2012 Windows Server 2012 (Server Core installation) Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. This update also addresses an ...

x86 Pkgmgr.exe 6.0.6003.20727 130,560 11-Jan-2020 14:55 x86 Poqexec.exe 6.0.6003.20727 119,296 11-Jan-2020 14:55 x86 Repdrvfs.dll 6.0.6003.20727 266,240 11-Jan-2020 15:50 x86 Rescinst.dll 6.0.6003.20727 126,976 11-Jan-2020 15:50 x86 Smiengine.dll 6.0.6003.20727 705,024 11-Jan-2020 15:50 x86 Smiinstaller.dll 6.0.6003.20727 139,264 11-Jan-2020 15 ...

Learn more about update KB4550735, including improvements and fixes, any known issues, and how to get the update.

INTRODUCTION Microsoft Windows Installer is a component of the Windows operating system. Windows Installer provides a standard foundation for installing and uninstalling software. Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy. Windows Installer 4.5 is released ...