Updating windows xp home edition
Windows 7 Professional and Ultimate edition users will not be able to upgrade to Windows 8 basic edition.
They'll be able to upgrade to Windows 8 Pro edition.
Security Center runs in the background and displays an icon in the system tray whenever it detects a security related vulnerability e.g.
But even if you know the version of WUA is out of date, you can't use the WUA API to force a self-update.
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.
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.
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when you use the WUA API to perform a scan, download, or install, this error tells you that the version of WUA is out of date.