Pandaria can't oppen the game

[Sshoneee]

i downloaded wow mists if pandaria but the game is not opening for me. Does anyone know why?

[Enchiii]

Right click on your panda folder and select properties. Take off 'read only' if you have it. That's the only reason I can think of. I had the folder on read-only after I downloaded it and couldn't open, so when I unticked that it started working.