Public bug reported: I can not update ubuntu from 13.04 to 13.10. Update manager displays the error
"Failed to calculate the upgrade of the system An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu" ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: ubuntu-release-upgrader-core 1:0.192.13 ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11 Uname: Linux 3.8.0-33-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.9.2-0ubuntu8.5 Architecture: i386 CrashDB: ubuntu Date: Sat Nov 16 17:14:54 2013 InstallationDate: Installed on 2012-10-27 (384 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2) MarkForUpload: True PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to raring on 2013-11-16 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug dist-upgrade i386 raring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1251818 Title: I can not update ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1251818/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs