System is Fedora-17 with all updates (except these) running on x86_64 cpu. Here's the yumex log of an attempt to update: 10:14:45 : network interface p6p1 (r8169) is connected 10:14:46 : Connected to an network 10:14:46 : network interface p6p1 (r8169) is connected 10:14:46 : Starting yum child process 10:14:50 : YUM: Yum Version : 3.4.3 10:14:50 : YUM: Loaded plugins: presto 10:14:50 : Getting available updates 10:14:52 : 2 packages returned 10:14:52 : Getting available obsoletes 10:14:52 : 0 packages returned 10:14:52 : Adding Packages to view 10:14:52 : Added 2 Packages to view 10:15:02 : YUM: --> Running transaction check 10:15:02 : YUM: ---> Package firefox.x86_64 0:18.0-1.fc17 will be updated 10:15:02 : YUM: ---> Package firefox.x86_64 0:18.0.2-1.fc17 will be an update 10:15:02 : YUM: ---> Package xulrunner.x86_64 0:18.0-6.fc17 will be updated 10:15:02 : YUM: ---> Package xulrunner.x86_64 0:18.0.2-1.fc17 will be an update 10:15:02 : YUM: --> Processing Dependency: nss >= 3.14.2 for package: xulrunner-18.0.2-1.fc17.x86_64 10:15:02 : YUM: --> Processing Dependency: nspr >= 4.9.5 for package: xulrunner-18.0.2-1.fc17.x86_64 10:15:02 : YUM: --> Finished Dependency Resolution 10:15:06 : ERROR: Dependency resolving completed with errors 10:15:06 : ERROR: Package: xulrunner-18.0.2-1.fc17.x86_64 (updates) Requires: nss >= 3.14.2 Installed: nss-3.14.1-3.fc17.i686 (@updates) nss = 3.14.1-3.fc17 Available: nss-3.13.4-3.fc17.i686 (fedora) nss = 3.13.4-3.fc17 10:15:06 : ERROR: Package: xulrunner-18.0.2-1.fc17.x86_64 (updates) Requires: nspr >= 4.9.5 Installed: nspr-4.9.4-1.fc17.i686 (@updates) nspr = 4.9.4-1.fc17 Available: nspr-4.9-2.fc17.i686 (fedora) nspr = 4.9-2.fc17 -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org