(For more information, refer to the Microsoft KB article Description of the Windows Update Standalone Installer in Windows.) If you need to use additional setup parameters, such as “ /quiet” (for silent installation), you can use the following command-line syntax: wusa.exe "D:\Updates\windows10.0-kb4598481-圆4.msu" /quiet /norestart If WUSA determines the update applies to your system, it then launches the installation process using Windows Update Agent API. WUSA would stall the installation process by throwing the error message “ The update is not applicable to your computer.” It also tells you if the package is already installed. Let’s say your system has a more recent update already installed, or the update you’re trying to apply is for a different processor architecture (x86 vs. It then reads the Windows Update metadata to search for available updates for your computer. msu file, the Windows Update Standalone Installer (wusa.exe) extracts the package contents to a folder. To install an MSU file, all you need to do is double-click the file. msu file by extracting it manually or using the 7-Zip utility. For example, this file contains the title of the associated article in the Microsoft Knowledge Base, KB Article Number, Language, Package Type (e.g., Security Update), and Architecture information. A properties file: This file contains string properties that Wusa.exe uses.xml file when you perform an unattended installation of the update by using the Package Manager tool (Pkgmgr.exe). Windows Update metadata: Describes each update package that the.Windows Update Standalone Installer (.msu file) is a container that encloses the following items:
One is the “Windows Update Standalone Package” format (.msu extension), and the other, the Cabinet file (.cab) format.MSU Files
Windows Update packages can come in two formats. Windows Update packages downloaded from the Microsoft Update Catalog can be used on standalone systems as well. The Microsoft Update Catalog provides updates, including drivers, that are for distribution across a network. In either case, tech support personnel might advise you to download the update offline via the Microsoft Update Catalog and install it.
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