Description of problem:
Any try to install a component, break the programm

Version-Release number of selected component (if applicable):
1.2.6-1

How reproducible:
Every time that try to install a component

Steps to Reproduce:
1. Launch the program
2. Select some package
3. Try to update
  
Actual results:
Popup a message dialog saying:
Error installing packages
There was an error installing packages.
Exiting.

Expected results:
That install the packages ! :)

Additional info:
I run the program from the command and when start show a lot "setting"
messages like:
.....
* setting KDE to not installed
* htdig-0:3.2.0-19.20030601.i386 not installed in group KDE Desktop
Environment
* inn-0:2.3.5-6.i386 not installed in group News Server
.....
a bunch of this....

and then when the error occur, the console say:

The file /mnt/cdrom/RedHat/RPMS/mozilla-js-debugger-1.4.1-17.i386.rpm
cannot be opened. This is due to a missing file, a bad package, or bad
media. Press <return> to try again.

the main directory say "RedHat" but the iso have a "Fedora" main
directory.....