I have windows vista home basic with service pack 2 just installed it with recommed IE8,
so when I update windows
it detects one update which is the old Windows Vista Service Pack 1 ,this update KB936330, I certainly do not want to reload the entire old sp1 back in again , why or what can I do to resolve this up date Windows Vista Service Pack 1 (KB936330) here is a copy of the details from the latest update .
Download size: 49.6 MB - 427.0 MB

Update type: Important

Windows Vista Service Pack 1 (SP1) is an update to Windows Vista that addresses key feedback from our customers. Windows Vista SP1 addresses specific reliability and performance issues, supports new types of hardware and adds support for several emerging standards. After you install this item, you will have to restart your computer.

More information:
http://technet.microsoft.com/en-us/windowsvista/bb738089

Help and Support:
http://support.microsoft.com/kb/936330