Description of problem: After Clicking on Desktop Launcher I see gui saying "XIPHOS building interface" and then it disappears with no further action.  TOP shows nothing xiphos or gnomesword or sword process.
/var/log/messages contains following:
Feb 26 07:44:14 mythbox kernel: xiphos[11312]: segfault at 0 ip (null) sp 00007fff9c853cb8 error 14 in xiphos[400000+ae000]
Feb 26 07:44:15 mythbox abrt[11314]: saved core dump of pid 11312 (/usr/bin/xiphos) to /var/spool/abrt/ccpp-2012-02-26-07:44:14-11312.new/coredump (21233664 bytes)
Feb 26 07:44:15 mythbox abrtd: Directory 'ccpp-2012-02-26-07:44:14-11312' creation detected
Feb 26 07:44:15 mythbox abrtd: Package 'xiphos' isn't signed with proper key
Feb 26 07:44:15 mythbox abrtd: Corrupted or bad dump /var/spool/abrt/ccpp-2012-02-26-07:44:14-11312 (res:2), deleting



Version-Release number of selected component (if applicable):
[root@mythbox bob]# rpm -qi xiphos
Name        : xiphos                       Relocations: (not relocatable)
Version     : 3.1.3                             Vendor: Fedora Project
Release     : 2.el6                         Build Date: Thu 01 Jul 2010 09:56:13 AM EDT
Install Date: Sun 26 Feb 2012 07:42:51 AM EST      Build Host: x86-06.phx2.fedoraproject.org
Group       : Applications/Text             Source RPM: xiphos-3.1.3-2.el6.src.rpm
Size        : 5719389                          License: GPLv2+
Signature   : RSA/8, Thu 01 Jul 2010 05:35:28 PM EDT, Key ID 3b49df2a0608b895
Packager    : Fedora Project
URL         : http://xiphos.sourceforge.net/
Summary     : Bible study and research tool
Description :
Xiphos (formerly known as GnomeSword) is a Bible study tool written for Linux,
UNIX, and Windows under the GNOME toolkit, offering a rich and featureful
environment for reading, study, and research using modules from The SWORD
Project and elsewhere.
[root@mythbox bob]# 


How reproducible:
Happens every attempted launch

Steps to Reproduce:
1. Launch xiphos from gnome desktop
2.
3.
  
Actual results:
 After Clicking on Desktop Launcher I see gui saying "XIPHOS building interface" and then it disappears with no further action.  TOP shows nothing xiphos or gnomesword or sword process.
/var/log/messages contains following:
Feb 26 07:44:14 mythbox kernel: xiphos[11312]: segfault at 0 ip (null) sp 00007fff9c853cb8 error 14 in xiphos[400000+ae000]
Feb 26 07:44:15 mythbox abrt[11314]: saved core dump of pid 11312 (/usr/bin/xiphos) to /var/spool/abrt/ccpp-2012-02-26-07:44:14-11312.new/coredump (21233664 bytes)
Feb 26 07:44:15 mythbox abrtd: Directory 'ccpp-2012-02-26-07:44:14-11312' creation detected
Feb 26 07:44:15 mythbox abrtd: Package 'xiphos' isn't signed with proper key
Feb 26 07:44:15 mythbox abrtd: Corrupted or bad dump /var/spool/abrt/ccpp-2012-02-26-07:44:14-11312 (res:2), deleting


Expected results:
xiphos should start and be usable

Additional info:
reinstalled epel-release package to make sure most recent keys were on system.