Description of problem:
As any user...in Gnome 2.20.2 - Click Applications, Add/Remove Software. 
Exception Occurred box appears each time.  

Version-Release number of selected component (if applicable):
[root@dhcp-64-101-171-89 ~]# uname -a
Linux dhcp-64-101-171-89.cisco.com 2.6.23.9-85.fc8 #1 SMP Fri Dec 7 15:49:59 EST
2007 i686 i686 i386 GNU/Linux
[root@dhcp-64-101-171-89 ~]# rpm -qa|grep pirut
pirut-1.3.28-1.fc8
[root@dhcp-64-101-171-89 ~]# cat /etc/redhat-release 
Fedora release 8 (Werewolf)
[root@dhcp-64-101-171-89 ~]# 



How reproducible:
Every time.

Steps to Reproduce:
1.As listed above.
2.
3.
  
Actual results:
Exception Occurred box with contents of attached file.

Expected results:
successful launch of Package Manager window.

Additional info:
yum works from cmd line.  I haven't been on this machine for a week.  I think it
was working before.  I ran a 'yum update' this morning.