The referenced assembly is not installed on your system.
SP1 can not find an assembly in WinSxS that is required for it to
install. Try running sfc /scannow to see if that resolves the issue:
If no joy go here, click the Change link towards the top right of the
page and set the location to China:
" Free unlimited installation and compatibility support is available for
Windows Vista, but only for Service Pack 1 (SP1). This support for SP1
is valid until March 18, 2009. Availability of chat or e-mail support
differs depending on your geographic location. For customers residing in
North America or Canada, chat and e-mail support is available.
Some issues may require more advanced support for which there is a charge. "
MowGreen [MVP 2003-2009]
Peter Foldes wrote:
> Crossposted to the public.windowsupdate newsgroup for a more comprehensive answer