No se cual es el problema

No se qué pasa

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.26
ProcVersionSignature: Ubuntu 4.15.0-45.48~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
Date: Mon Feb 18 10:42:38 2019
InstallationDate: Installed on 2018-05-29 (264 days ago)
InstallationMedia: Ubuntu-MATE 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=es_AR:es
 PATH=(custom, no user)
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2019-02-18 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2019-02-18 10:40:58.970448
 Log time: 2019-02-18 10:41:15.781854
 Log time: 2019-02-18 10:42:06.564073
 Log time: 2019-02-18 10:42:43.130061
VarLogDistupgradeTermlog: