When manually downloading a Microsoft Security Update or hotfix for Windows 7 (Vista) you typically get a file with an MSU file extension. A file with an MSU extension is a Microsoft Update Standalone package. Microsoft Update Standalone Packages are installed through the Windows Update Standalone Installer WUSA.EXE which is located in the C:\Windows\system32 folder. [...]
Archive of posts tagged wusa
Deploying Windows 7 RSAT (external)
Just found this post on Trevor Sullivan’s Tech Room blog which explains how to automate the Windows 7 Remote Server Administration Tools (RSAT) installation. Read the entire article here

