cant install game

still get this NSIS ERROR message, try everything i can think off.
dont know what to do,any suggestion. I m running XP i have the three games and they are up to date and they are not cracked versions, every time i have download the game it been through a download manager. even try without firewalls and antivirus turned off,
get so frastrated as i wont to play the game. CAN SOME PLEASE HELP

NSIS error means "your installer wasn't downloaded correctly, please download it again" ;). Perhaps you should try a different mirror.

http://easternfront.org/forums/index.php?topic=5942

ive tried all three a lot of times same message every time