I appear to have been able to acess them by adding my own username to the security properties window, rather than letting the "Administrators" general user group define the permissions.
Certain files cannot be accessed whatsoever by me. I have taken ownership of them, all files in them (using a registry hack), and their parent file. Whenever I double-click on them it invariably says: Access is denied. Files include: C:\System Volume Information\SPP C:\System Volume...