This is because of UAC. When you access those files using Windows Explorer,
or another unelevated process, you do not have access to things only
Administrators have access to.
Your question may already be answered in Windows Vista Security: http://www.amazon.com/gp/product/047...otectyourwi-20
> I have two administrator accounts, one is the default account and another is
> a user account that is a memeber of the administrator group.
> The default administrator account can access files that are set to be
> available to the administrators group. Also, when this account uses the "run"
> command, the user sees a message that the program that is started will be run
> with administrative rights. However, the user account that is a member of the
> administrator group is always denied access to files and folders that have
> permissions only for the administrators group (and no permissions are denied
> on those files/folders). The current workaround is for this latter account to
> get permission to access files/folders is to have its username specifically
> granted permission for those files/folders. Also, this account does not get a
> message that programs started with the "run" command will be started with
> administrative privelidges. I want this account to be able to access files
> that are supposed to be available for the administrators group without
> needing to grant specific permissions for that account, and I want this
> account to use the run command with administrative rights. Help would be