Hi there @al_ayyubi,
thank you very much for the stellar 767-400ER liveries, enjoying them a lot. I think this archive may be damaged - I downloaded several times, each time I can not unpack it, regardless wether I use 7-Zip or WinRar, because the archive seems to be damaged. All other liveries worked just fine. Maybe you can have a look into it.
Greetings.