like i told you, see details inside the README.html:
2. Operating Oses
Japanese or English version of the following OSes
Windows Me
Windows 98 (including the Second Edition)
Windows 2000
Windows XP
3. Precautions in executing this program

atention here:
3-0. If the drive that you are using has F/W 1.0A/B/C, please update
to 1.0D first and continue to update to 1.0E by following the
instruction below.
If your drive F/W version is 1.0A/B/C, the Updater will update
the F/W to 1.0D. After updating the F/W to 1.0D, reboot your PC
and execute the Updater again.?@Then the F/W will be updated
to 1.0E. If your drive F/W version is 1.0D, the Updater will
update the F/W to 1.0E. The F/W version will be displayed when
you launch this Updater (Update program) as shown in figure
attached.
.....

now you have a big screenshot showing details!

you need to follow that guide, or it never will work!!!
and the link that i posted have all firmwares for your drive.
try again.