How do I fix this? It shows an error, and I don't know how to fix it. I want to install crossover.

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... failed.
The following packages have unmet dependencies:
 crossover:i386 : Depends: libc6:i386 (>= 2.3) but it is not installed
                  Depends: libice6:i386 but it is not installed or
                           xlibs:i386 but it is not installable
                  Depends: libsm6:i386 but it is not installed or
                           xlibs:i386 but it is not installable
                  Depends: libx11-6:i386 but it is not installed or
                           xlibs:i386 but it is not installable
                  Depends: libxext6:i386 but it is not installed or
                           xlibs:i386 but it is not installable
                  Depends: libfreetype6:i386 but it is not installed
                  Depends: libz1:i386
                  Depends: perl5-base:i386
                  Depends: perl-modules:i386 but it is not installable
                  Depends: python:i386 (>= 2.4) but it is not installed
                  Depends: python-gtk2:i386 but it is not installed
                  Depends: python-glade2:i386 but it is not installed
                  Depends: desktop-file-utils:i386 but it is not installed
                  Depends: libasound2:i386 but it is not installed
                  Depends: libgl1:i386
                  Depends: libxrandr2:i386 but it is not installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies

EDIT

I have another recent error.

You might want to run 'apt-get -f install' to correct these.

The following packages have unmet dependencies: crossover:i386 : Depends: libc6:i386 (>= 2.3) but it is not installed Depends: libice6:i386 but it is not installed or xlibs:i386 but it is not installable Depends: libsm6:i386 but it is not installed or xlibs:i386 but it is not installable Depends: libx11-6:i386 but it is not installed or xlibs:i386 but it is not installable Depends: libxext6:i386 but it is not installed or xlibs:i386 but it is not installable Depends: libfreetype6:i386 but it is not installed Depends: libz1:i386 Depends: perl5-base:i386 Depends: perl-modules:i386 but it is not installable Depends: python:i386 (>= 2.4) but it is not installed Depends: python-gtk2:i386 but it is not installed Depends: python-glade2:i386 but it is not installed Depends: desktop-file-utils:i386 but it is not installed Depends: libasound2:i386 but it is not installed Depends: libgl1:i386 Depends: libxrandr2:i386 but it is not installed E: Unmet dependencies. Try using -f.

running " apt-get -f install " gives me the same error everytime.