MoP Launch Problem

I Just download the mop on site and this is what i get
note: i already launch on administrator mode
http://i64.tinypic.com/25fheh4.jpg

i have this problem too.. i dont know how to repair this..

Follow these steps:
1) Restart your PC
2) close your Torrent client and move your WoW folder away from your Torrent's download destination
3) now right click on WoW folder> Properties> remove "read-only".

It worked thank you