Update when i get into wow

I have recently finished downloading wow and when i open the game after logging in with my account it goes directly to a screen that say 0% Downloaded then asks me to restart the game when restarting the game a WoW downloader opens and shows that i need to download a 73MB update but after a while it doesn't respond and fails to update the patch i have restarted my laptop tried running both the game and the update thing as admin i have tried turning off my firewall and antivirus not sure what to do to fix this problem please help.

you need to log-in by using your warmane account name, not email address