I want to install testdisk to ubuntu 10.04 LTS but i'm getting an error. Any help? Here is the output:

# sudo apt-get install testdisk
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  testdisk: Depends: libntfs10 (>= 2.0.0) but it is not installable
E: Broken packages

I also tried:

wget http://launchpadlibrarian.net/40386584/libntfs10_2.0.0-1ubuntu4_i386.deb; sudo dpkg -i *.deb

And i get this error:

dpkg: error processing libntfs10_2.0.0-1ubuntu4_i386.deb (--install):
 package architecture (i386) does not match system (amd64)
Errors were encountered while processing:
 libntfs10_2.0.0-1ubuntu4_i386.deb