Error pls help

Data/enGB/wow-update-enGB-17898.MPQ: World of Warcraft can’t make a required change to an archive file. Be sure you have write permission for the World of Warcraft folder or try running the game in administrator mode

Please help me fix this problem.


Thank you!! :))

MoP? then:
1) close your Torrent client and move your MoP folder away from your Torrent's download destination
2) now right click on MoP folder> Properties> remove "read-only"