same problem with an other version

MacBookNico:~ nico$ sudo port clean --all  httrack 
--->  Cleaning httrack
MacBookNico:~ nico$ sudo port install -vd httrack 
--->  Computing dependencies for httrack
--->  Fetching archive for httrack
--->  Attempting to fetch httrack-3.44.1_0.darwin_11.x86_64.tbz2 from
<http://packages.macports.org/httrack>
--->  Fetching httrack
--->  Attempting to fetch httrack-3.44.1.tar.gz from
<http://download.httrack.com/>
--->  Verifying checksum(s) for httrack
Error: Checksum (sha1) mismatch for httrack-3.44.1.tar.gz
Error: Checksum (rmd160) mismatch for httrack-3.44.1.tar.gz
Error: Target org.macports.checksum returned: Unable to verify file checksums
Log for httrack is at:
/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_httrack/httrack/main.log
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>