Where's my missing space on the C drive?

I meant the physical shadow copy was hidden. Of course you can just restore, thats plain enough.

I apologize for the misinformation about the association between UAC and VSS. To clarify, UAC affect 'virtualization' not volume shadow copy.

For more specific information on VSS..

http://www.microsoft.com/technet/tec...p/default.aspx

http://technet2.microsoft.com/Window....mspx?mfr=true

http://www.microsoft.com/communities...a1df143ca9&p=1

And for the break down on UAC --

http://www.microsoft.com/technet/tec...es/2007/06/UAC

Thanks xierox for correcting me :)

I hope I've helped clarify some and clear some misinformation I fed :(