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If you receive a WU_E_SELFUPDATE_REQUIRED error message when you use the WUA API to perform a scan, download, or install, this error tells you that the version of WUA is out of date.But even if you know the version of WUA is out of date, you can't use the WUA API to force a self-update.
Running the most current version of your browser is key to protecting your computer against Internet threats like spyware and other nefarious hacker exploits. Note that some browsers will always check for the latest version.Here we explain how you can programmatically determine whether the version of WUA that is running on the computer meets your needs, that is, whether the version is the latest or at least current enough.You can call the IWindows Update Agent Info:: Get Info method to get current version info about WUA, but you can't determine if that version is the latest.For information on Microsoft Windows Automatic Updates, visit Microsoft's Update site.Determine the version of Windows Update Agent (WUA) before you use it.The following procedures provide the steps to download the installation file, create a query for computers that do not have at least Windows Update Agent version 3.0, create a collection based on the query, and create a software distribution that targets the new collection.
Windows Update Agent (WUA) automatically updates itself when it is connected to a Windows Server Update Services (WSUS) server or to Windows Update.
Follow these steps in your app to determine whether or not the running version of WUA is the most recent one (or at least a current one).
If the running version of WUA is too old or if WUA isn't running at all, install the most recent version of WUA (or at least a current version of WUA).
Additionally, if Windows Update on the computer is in such a state that automatic self-updates are failing, you can't use the WUA API to recover from that state.
When necessary, to ensure that users have the latest WUA, prompt them to install KB949104 or the latest WUA.
You can also use the IWindows Update Agent Info:: Get Info method to retrieve the current file version of that is running on a computer.