gdebi crash at frostwire install ckicked

[sibble]

Binary package hint: gdebi

i downloaded frostwire and then closed the download window in firefox as the click to install box apperd and as i clicked the install button it crashed.
i then went into the frostwire contaning folder and the .deb package wasent there for it.
so i redownloaded it and left the download window open in firefox and then procedded to install it and i went through correctly.

release - Ubuntu 8.04
Package - Frostwire 4.13.5

ProblemType: Crash
Architecture: i386
Date: Tue May 20 22:09:05 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/gdebi-gtk
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: gdebi 0.3.8
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gdebi-gtk --non-interactive /tmp/frostwire-4.13.5.i586.deb
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gdebi-gtk', '--non-interactive', '/tmp/frostwire-4.13.5.i586.deb']
SourcePackage: gdebi
Title: gdebi-gtk crashed with RuntimeError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/gdebi-gtk", line 56, in <module>
     gtk.init_check()
 RuntimeError: could not open display
Uname: Linux 2.6.24-16-generic i686
UserGroups: