ASUS BIOS update

Hi guys

im wondering if you can help me with this little problem im having…I have a print server on my network that does not want to boot anymore i see an error saying “BIOS update incorrect”, I have downloaded the flash driver from the ASUS website but when I to run it in EZ Flash it does not do anything it just freezes on that screen, now what can I do to get it to flash. Im using the ASUS P4S8L ACPI BIOS Revision 1004 motherboard.