Win 7 x64 SP1

Dear all,
Can someone help me please. I have been using wsusoffline a lot and seem to have hit a snag. With a fresh install of Win 7 on a number of machines it refuses to install SP1. Can anyone help please?
Kev
Can someone help me please. I have been using wsusoffline a lot and seem to have hit a snag. With a fresh install of Win 7 on a number of machines it refuses to install SP1. Can anyone help please?
Kev