Return of Reckoning

when a loanch the game client i get the a messeg saying that the patch client was unable to retrieve the fille patch.prod.sig from the pach server although is tells me 0 errors encountered and to pleas try to run the patcher again in a short time ive ran this 7 times and keep geting theas

Follow the installation instructions. To the end. One step at a time.

the client i have is not a install file its just a copy of the game you can run thru the game launcher