Updating drivers for windows vista
When SP3 is available on CD-ROM, you can install it without installing SP1 or SP2 first.
These updates can be massive, especially if service pack 3 is not installed yet.
That's why you better install one device driver update at a time.
If the new driver is giving a BSOD (Bleu Screen Of Death), boot in safe mode (press F8 at reboot), Control Panel, System, tab Hardware, button Device Manager, right click the updated hardware, select Properties, tab Driver, button Roll Back Driver.
By manually starting the search for updates, one can verify whether the update function works properly now (if that is the case, the folder Software Distribution Org can be deleted).
If Microsoft Update was used before (for the automatic installation of updates for all Microsoft products), then it has te be activated again.
Search for updating drivers for windows vista:
On the page how to optimize the Windows services, you can read how to disable the Security Center.