Data/enUS/wow-update-enUS-17266.MPQ:Cannot stream required achive data....

[Floppyhammer]

Ok this morning my wow worked just fine. now when i try to run it this pops up idk why or how to fix it. i tryed looking on forums for fix but everything i tryed just dosent help. I also have another wow i tryed running molten on that one same thing happens. If anyone had similar prob or knows how to fix pls tell me in comments. so i tryed running as admin i deleted data interface wtf folders i disabled my antivirus firewall etc.. and it still pops that thing.

[Zelta]

Redownload the game (minimal pref. to check it out faster). If it works, replace files to your original one.
If it does not, make sure your firewall / antivirus are not blocking data stream (meaning, missing files download) from Blizzard.