Patching has not finished. Please try again [Error Code(4)]

i have loaded all of my server files, and the client started correctly, i've made the whole requireds for the media pk2 file, but when i'm trying to start the client, it gave me this error
http://imageshack.com/a/img577/3152/p6iu.jpg

so if any body can give me the hand of help to solve this issue, it would be my pleasure, and great thanks for the whole ragezone community for the very usefull info which u experienced me with :) (Other infos, My laptop is a intel Core i7 - AMD radeon GPU - 6 GB of rams - OS Win7 English Ultimate x64)

media - data - particles ...etc folders found inside your update folder (patch_Internal) must be in small letters no CAPITAL letters or you will get errors...

that means:

naming folder like (Media) will cause errors ..must be (media)...