what you were going to ask before I got to the end of your question. This is fairly typical and you need to take ownership of the drive which can take some time depending. If you want to take ownership of the whole drive or just certain folders is up to you.

Being I've been getting lazy over the years... and that this may show you better anyway

Vista

http://www.tipandtrick.net/2008/how-to-take-ownership-and-full-control-permissions-of-files-and-folders-in-vista/

Win 7

http://www.blogsdna.com/2159/how-to-take-ownership-grant-permissions-to-access-files-folder-in-windows-7.htm