cant install FSX AT ALL!!

Hi guys ive been suffering with this problem for a week now. Ive just got a custom built computer with pretty good specs.And so its like a week later i install fs9 with no problem.realy good frames the game ran realy well.So i decided to install my FSX gold edition.During installation, this error code coes up saying: error 1335 cabinet file D1fea~7 is corrupt something like that.This has come up every time i try to install it! its so anoying!

PLZ help! ive tried to install from hard drive but still:error 1335