filezilla is not installable

Binary package hint: filezilla

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.
  filezilla: Depends: filezilla-common (= 3.2.2.1-1) but it is not going to be installed
E: Broken packages

ProblemType: Bug
Architecture: amd64
Date: Fri May 8 19:06:05 2009
Dependencies:

DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: filezilla None
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: filezilla
Uname: Linux 2.6.30-2-generic x86_64
UnreportableReason: This is not a genuine Ubuntu package

$ apt-cache policy filezilla
filezilla:
  Installed: (none)
  Candidate: 3.2.2.1-1
  Version table:
     3.2.2.1-1 0
        500 ftp://darkstar.ist.utl.pt karmic/universe Packages
        500 ftp://archive.ubuntu.com karmic/universe Packages
        100 /var/lib/dpkg/status