Comment 0 for bug 614993

This machine; Dell inspiron 560 MT Intel Pentium Dual Core E5400
Memory;4GB DDR3
Graphics:512MB Nvidia GeForce G310 Driver update to nvidia-current-256.44
Dell screen: ST2010 1600x900

Attachment included: /var/log/dist-upgrade/

Key (error): Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade:
E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
 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
If none of this applies, then please report this bug against the 'update-manager' package and include the files in /var/log/dist-upgrade/ in the bug report.

Thanks.