[MOP] Can't start the game.

Hello, so I've downloaded the Mists of Pandaria, and whenever I try to connect nothing happens.
After a few minutes I get a message like this

https://gyazo.com/f326588215baf0ae2ea6951ddcd276ba

Btw dont know how to post images on these forums

Thank you for any input

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"

Thanks a million :D it worked