Version of windows updating software for use with the website
An updated driver might enable new features for the hardware, something we see on a regular basis with popular video cards and sound cards.
To accomplish this, WSUS Setup creates a virtual directory named /Selfupdate under the Web site running on port 80 of the computer on which you install WSUS.
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when you use the WUA API to perform a scan, download, or install, this error tells you that the version of WUA is out of date.
But even if you know the version of WUA is out of date, you can't use the WUA API to force a self-update.
You will find all the necessary information about the update and you will get a link to update your software to the latest version.
You might need to update drivers in Windows when a new piece of hardware you've installed doesn't work automatically or maybe after upgrading to a new version of Windows.