MoP won't open

[DGHD]

I try to open MoP but there always comes a Error message that it can't create extra files pls help !!!!

[skullatbash]

Follow these steps:
1) Restart your PC ( this is important)
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".