while updating the system

[DarKprince]

Binary package hint: fusion-icon

error displayed in terminal:
pycentral: pycentral pkginstall: not overwriting local files
pycentral pkginstall: not overwriting local files
dpkg: error processing fusion-icon (--configure);
the sub-process returns an error code 1

Pc.Informations:
1)Ubuntu hardy (development branch) Release: 8.04
2)synaptic 061ubuntu7
3)I tried to install COmpiz and Fusion-Icon
4)Fusion icon returned this error and compiz doesn't work, because i can't see windows' margins....

ProblemType: Package
Architecture: i386
Date: Thu Mar 27 19:43:49 2008
DistroRelease: Ubuntu 8.04
ErrorMessage: il sottoprocesso post-installation script ha restituito un codice di errore 1
NonfreeKernelModules: nvidia
Package: fusion-icon 0.0.0+git20071028-2ubuntu1
PackageArchitecture: all
SourcePackage: fusion-icon
Title: package fusion-icon 0.0.0+git20071028-2ubuntu1 failed to install/upgrade: il sottoprocesso post-installation script ha restituito un codice di errore 1
Uname: Linux 2.6.24-12-generic i686