Error in Installing FCC software

I have the old version of FirstClass Client (Fcc) they just came out with a new one ver. 10.009 but When I got to install it either by double clicking or by manual terminal It gives me and error: in terminal it's the following

root@Xepher:/home/uruchima# sudo dpkg -i fc.deb
dpkg: error processing fc.deb (--install):
 cannot access archive: No such file or directory
Errors were encountered while processing:
 fc.deb
root@Xepher:/home/uruchima# sudo dpkg -i FC.deb
(Reading database ... 152911 files and directories currently installed.)
Preparing to replace fcc 8.315-2 (using FC.deb) ...
Unpacking replacement fcc ...
dpkg-deb (subprocess): short read in buffer_copy (failed to write to pipe in copy)
dpkg-deb: subprocess paste returned error exit status 2
dpkg: error processing FC.deb (--install):
 short read in buffer_copy (backend dpkg-deb during `./opt/firstclass/tools/american.fcc')
Processing triggers for desktop-file-utils ...
Processing triggers for python-gmenu ...
Rebuilding /usr/share/applications/desktop.en_US.utf8.cache...
Processing triggers for python-support ...
Errors were encountered while processing:
 FC.deb

in Double Click it's "The .deb is either corrupted or you don't have permissions to install this file"

I'm running Ubuntu 10.04 on a 32-bit

and this is the website for the software btw:

http://www.firstclass.com/Divisions/Resources/?Plugin=FC&OpenItemURL=S047C50E4

and yes I tried the tar.bz2 and doesn't work either...