>From Mainlog.txt: 98 2016-02-08 09:50:32,596 DEBUG Marking 'ubuntu-mate-desktop' for upgrade 99 2016-02-08 09:50:36,420 WARNING Can't mark 'ubuntu-mate-desktop' for upgrade (E:Fout, pkgProblemResolver::Resolve leverde defecten op. Dit kan veroorzaakt worden door vastgehouden pakketten.) 100 2016-02-08 09:50:36,548 DEBUG blacklist expr 'update-manager-core' matches 'update-manager-core' 101 2016-02-08 09:50:36,548 DEBUG The package 'update-manager-core' is marked for removal but it's in the removal blacklist 102 2016-02-08 09:51:32,153 ERROR Dist-upgrade failed: 'Het pakket ‘update-manager-core’ is gemarkeerd voor verwijdering, maar het staat op de zwarte lijst voor verwijder en.'
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