Ok so for ANYONE having problems with the MPQ files, this worked for me: Download everything as it is seen in the instruction, then delete EVERYTHING except the PandaWoW.exe and the WTF folder. Now put the config.WTF with the language you want to play on in the WTF folder. Now try to run the .exe file, and it will "download" everything else needed.
Note that I can not guarantee that it will work for you as well, for me it did. :)