Hello, Guys

This is my output from "mintsources"

user@userdesktop ~ $ mintsources
removed ‘/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_trusty_Release’
removed ‘/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_trusty_Release.gpg’
removed ‘/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_trusty_partner_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.canonical.com_ubuntu_dists_trusty_partner_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_Release’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_Release.gpg’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_main_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_main_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_multiverse_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_multiverse_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_restricted_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_restricted_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_universe_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty-updates_universe_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_Release’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_Release.gpg’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_main_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_multiverse_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_multiverse_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_restricted_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_restricted_i18n_Translation-en’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_universe_binary-i386_Packages’
removed ‘/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_trusty_universe_i18n_Translation-en’
removed ‘/var/lib/apt/lists/extra.linuxmint.com_dists_rebecca_Release’
removed ‘/var/lib/apt/lists/extra.linuxmint.com_dists_rebecca_Release.gpg’
removed ‘/var/lib/apt/lists/extra.linuxmint.com_dists_rebecca_main_binary-i386_Packages’
removed ‘/var/lib/apt/lists/lock’
removed ‘/var/lib/apt/lists/packages.linuxmint.com_dists_rebecca_Release’
removed ‘/var/lib/apt/lists/packages.linuxmint.com_dists_rebecca_Release.gpg’
removed ‘/var/lib/apt/lists/packages.linuxmint.com_dists_rebecca_import_binary-i386_Packages’
removed ‘/var/lib/apt/lists/packages.linuxmint.com_dists_rebecca_main_binary-i386_Packages’
removed ‘/var/lib/apt/lists/packages.linuxmint.com_dists_rebecca_upstream_binary-i386_Packages’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_Release’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_Release.gpg’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_main_binary-i386_Packages’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_main_i18n_Translation-en’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_multiverse_binary-i386_Packages’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_multiverse_i18n_Translation-en’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_restricted_binary-i386_Packages’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_restricted_i18n_Translation-en’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_universe_binary-i386_Packages’
removed ‘/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_universe_i18n_Translation-en’
Error 'Couldn't resolve host 'mirror.skyshe.com'' on url http://mirror.skyshe.com/ubuntu
Error 'Couldn't resolve host 'dl2.foss-id.web.id'' on url http://dl2.foss-id.web.id/ubuntu
Error '' on url http://mirror.squ.edu.om/ubuntuarchive

Error '' on url http://ubuntu.skybroadband.com.ph/ubuntu

Error 'Could not resolve host: ubuntu-archive.mirrors.free.org' on url http://ubuntu-archive.mirrors.free.org/ubuntu
Error 'Failed to connect to ubuntu-arch.linux.edu.lv port 80: No route to host' on url http://ubuntu-arch.linux.edu.lv/ubuntu
Error 'RETR response: 550' on url ftp://ftp.fu-berlin.de/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftpserv.tudelft.nl/pub/Linux/archive.ubuntu.com
Error 'Failed to connect to ubuntu.indika.net.id port 80: No route to host' on url http://ubuntu.indika.net.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu
Error 'Failed to connect to ubuntu.etf.bg.ac.rs port 80: Connection refused' on url http://ubuntu.etf.bg.ac.rs/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cesca.cat/ubuntu/archieve
Error 'Failed to connect to mirror.unej.ac.id port 80: Connection refused' on url http://mirror.unej.ac.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rrzn.uni-hannover.de/pub/mirror/linux/ubuntu
Error 'Failed to connect to mirror.ubuntu.ikoula.com port 80: Connection timed out' on url http://mirror.ubuntu.ikoula.com/ubuntu
Error 'Failed to connect to ubuntu.mirror.lrz.de port 80: Connection timed out' on url http://ubuntu.mirror.lrz.de/ubuntu
Error 'Failed to connect to www.ftp.ne.jp port 80: Connection timed out' on url http://www.ftp.ne.jp/Linux/packages/ubuntu/archive
 Error 'Failed to connect to ftp.hawo.stw.uni-erlangen.de port 80: Connection timed out' on url http://ftp.hawo.stw.uni-erlangen.de/ubuntu
Error 'Failed to connect to ubuntu.mirror.root.lu port 80: Connection timed out' on url http://ubuntu.mirror.root.lu/ubuntu
Error 'Failed to connect to mirrors.nic.funet.fi port 80: Connection timed out' on url http://mirrors.nic.funet.fi/ubuntu
Error 'Failed to connect to ftp.snt.utwente.nl port 80: Connection timed out' on url http://ftp.snt.utwente.nl/pub/os/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.iitb.ac.in/distributions/ubuntu/archives
Error 'Failed to connect to ubuntu.virginmedia.com port 80: Connection timed out' on url http://ubuntu.virginmedia.com/archive
Error 'Couldn't resolve host 'mirror.peer1.net'' on url http://mirror.peer1.net/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cs.mun.ca/pub/mirror/ubuntu
Error 'Couldn't resolve host 'mirror.peer1.net'' on url http://mirror.peer1.net/ubuntu
Error 'Couldn't resolve host 'ubuntu-archive.mirrors.free.org'' on url http://ubuntu-archive.mirrors.free.org/ubuntu
Error 'Couldn't resolve host 'dl2.foss-id.web.id'' on url http://dl2.foss-id.web.id/ubuntu
Error 'Failed to connect to ubuntu.etf.bg.ac.rs port 80: Connection refused' on url http://ubuntu.etf.bg.ac.rs/ubuntu
Error 'Failed to connect to mirror.unej.ac.id port 80: Connection refused' on url http://mirror.unej.ac.id/ubuntu
Error 'RETR response: 550' on url ftp://ftpserv.tudelft.nl/pub/Linux/archive.ubuntu.com
Error 'RETR response: 550' on url ftp://ftp.fu-berlin.de/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rezopole.net/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rrzn.uni-hannover.de/pub/mirror/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu
Error 'Recv failure: Connection reset by peer' on url http://ftp.info.uvt.ro/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cs.mun.ca/pub/mirror/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cesca.cat/ubuntu/archieve
Error 'Failed to connect to ftp.jaist.ac.jp port 80: Connection timed out' on url http://ftp.jaist.ac.jp/pub/Linux/ubuntu
Error 'Failed to connect to www.ftp.ne.jp port 80: Connection timed out' on url http://www.ftp.ne.jp/Linux/packages/ubuntu/archive
Error 'Failed to connect to ubuntu.mirror.root.lu port 80: Connection timed out' on url http://ubuntu.mirror.root.lu/ubuntu
Error 'Failed to connect to ubuntu.indika.net.id port 80: No route to host' on url http://ubuntu.indika.net.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.iitb.ac.in/distributions/ubuntu/archives
Error 'Failed to connect to ubuntu.virginmedia.com port 80: Connection timed out' on url http://ubuntu.virginmedia.com/archive
Error 'Couldn't resolve host 'mirror.skyshe.com'' on url http://mirror.skyshe.com/ubuntu
Error 'Couldn't resolve host 'mirror.peer1.net'' on url http://mirror.peer1.net/ubuntu
Error 'Couldn't resolve host 'mirror.skyshe.com'' on url http://mirror.skyshe.com/ubuntu
 Error 'Couldn't resolve host 'dl2.foss-id.web.id'' on url http://dl2.foss-id.web.id/ubuntu
Error 'Failed to connect to ubuntu.etf.bg.ac.rs port 80: Connection refused' on url http://ubuntu.etf.bg.ac.rs/ubuntu
Error 'Recv failure: Connection reset by peer' on url http://ftp.info.uvt.ro/ubuntu
Error 'RETR response: 550' on url ftp://ftpserv.tudelft.nl/pub/Linux/archive.ubuntu.com
Error 'RETR response: 550' on url ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu
Error 'Failed to connect to mirror.unej.ac.id port 80: Connection refused' on url http://mirror.unej.ac.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.fu-berlin.de/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rezopole.net/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cs.mun.ca/pub/mirror/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rrzn.uni-hannover.de/pub/mirror/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cesca.cat/ubuntu/archieve
Error 'Failed to connect to pandawa.ipb.ac.id port 80: Connection timed out' on url http://pandawa.ipb.ac.id/ubuntu
Error 'Failed to connect to kambing.ui.ac.id port 80: Connection timed out' on url http://kambing.ui.ac.id/ubuntu
Error 'Failed to connect to ftp.litnet.lt port 80: Connection timed out' on url http://ftp.litnet.lt/ubuntu
Error 'Failed to connect to ubuntu-arch.linux.edu.lv port 80: Connection timed out' on url http://ubuntu-arch.linux.edu.lv/ubuntu
Error 'Failed to connect to mirror.easyspeedy.com port 80: Connection timed out' on url http://mirror.easyspeedy.com/ubuntu
Error 'Failed to connect to ubuntu.mirror.cambrium.nl port 80: Connection timed out' on url http://ubuntu.mirror.cambrium.nl/ubuntu
Error 'Failed to connect to ubuntu.mirror.lrz.de port 80: Connection timed out' on url http://ubuntu.mirror.lrz.de/ubuntu
Error 'Failed to connect to ubuntu.mirrors.linux.ro port 80: Connection timed out' on url http://ubuntu.mirrors.linux.ro/archive
Error 'Failed to connect to ubuntu.indika.net.id port 80: No route to host' on url http://ubuntu.indika.net.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.iitb.ac.in/distributions/ubuntu/archives
Error 'Failed to connect to ubuntu.virginmedia.com port 80: Connection timed out' on url http://ubuntu.virginmedia.com/archive
Error 'Couldn't resolve host 'ubuntu-archive.mirrors.free.org'' on url http://ubuntu-archive.mirrors.free.org/ubuntu
Error 'Couldn't resolve host 'mirror.skyshe.com'' on url http://mirror.skyshe.com/ubuntu
Error 'Couldn't resolve host 'mirror.peer1.net'' on url http://mirror.peer1.net/ubuntu
 Error 'Couldn't resolve host 'dl2.foss-id.web.id'' on url http://dl2.foss-id.web.id/ubuntu
Error 'Couldn't resolve host 'ubuntu-archive.mirrors.free.org'' on url http://ubuntu-archive.mirrors.free.org/ubuntu
Error 'Failed to connect to ubuntu.etf.bg.ac.rs port 80: Connection refused' on url http://ubuntu.etf.bg.ac.rs/ubuntu
Error 'Recv failure: Connection reset by peer' on url http://ftp.info.uvt.ro/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rrzn.uni-hannover.de/pub/mirror/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.man.szczecin.pl/pub/Linux/ubuntu
Error 'Failed to connect to mirror.unej.ac.id port 80: Connection refused' on url http://mirror.unej.ac.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.rezopole.net/ubuntu
Error 'RETR response: 550' on url ftp://ftpserv.tudelft.nl/pub/Linux/archive.ubuntu.com
Error 'RETR response: 550' on url ftp://ftp.cs.mun.ca/pub/mirror/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cesca.cat/ubuntu/archieve
Error 'Failed to connect to ubuntu.indika.net.id port 80: No route to host' on url http://ubuntu.indika.net.id/ubuntu
Error 'RETR response: 550' on url ftp://ftp.iitb.ac.in/distributions/ubuntu/archives
Error 'Failed to connect to ubuntu.virginmedia.com port 80: Connection timed out' on url http://ubuntu.virginmedia.com/archive
Error 'RETR response: 550' on url ftp://ftp.fu-berlin.de/linux/ubuntu
Error 'Couldn't resolve host 'mirror.peer1.net'' on url http://mirror.peer1.net/ubuntu
Error 'Couldn't resolve host 'dl2.foss-id.web.id'' on url http://dl2.foss-id.web.id/ubuntu
Error 'Failed to connect to ubuntu.etf.bg.ac.rs port 80: Connection refused' on url http://ubuntu.etf.bg.ac.rs/ubuntu
Error 'Recv failure: Connection reset by peer' on url http://ftp.info.uvt.ro/ubuntu
Error 'Failed to connect to ftp.ntua.gr port 80: No route to host' on url http://ftp.ntua.gr/pub/linux/ubuntu
Error 'RETR response: 550' on url ftp://ftp.cesca.cat/ubuntu/archieve
Error 'Failed to connect to ftp.cc.uoc.gr port 80: No route to host' on url http://ftp.cc.uoc.gr/mirrors/linux/ubuntu/packages
Error 'Failed to connect to mirror.unej.ac.id port 80: Connection refused' on url http://mirror.unej.ac.id/ubuntu
Error 'Failed to connect to ftp.u-picardie.fr port 80: Connection timed out' on url http://ftp.u-picardie.fr/mirror/ubuntu/ubuntu
 Error 'Failed to connect to ftp.rezopole.net port 21: Connection timed out' on url ftp://ftp.rezopole.net/ubuntu
Error 'Failed to connect to ftp.uni-kl.de port 80: Connection timed out' on url http://ftp.uni-kl.de/pub/linux/ubuntu
Error 'Failed to connect to ftp.fau.de port 80: Connection timed out' on url http://ftp.fau.de/ubuntu
Error 'Failed to connect to kambing.ui.ac.id port 80: Connection timed out' on url http://kambing.ui.ac.id/ubuntu
Error 'Failed to connect to kartolo.sby.datautama.net.id port 80: Connection timed out' on url http://kartolo.sby.datautama.net.id/ubuntu
Error 'Failed to connect to ubuntu.univ-nantes.fr port 80: Connection timed out' on url http://ubuntu.univ-nantes.fr/ubuntu
Error 'Failed to connect to mirror.soften.ktu.lt port 80: Connection timed out' on url http://mirror.soften.ktu.lt/ubuntu
rm: cannot remove ‘/var/lib/apt/lists/partial’: Is a directory

(synaptic:4204): Gtk-CRITICAL **: gtk_widget_hide: assertion 'GTK_IS_WIDGET (widget)' failed
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 1087, in select_new_base_mirror
    url = self.mirror_selection_dialog.run(self.base_mirrors)
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 508, in run
    self._update_list()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 434, in _update_list
    self._all_speed_tests()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 440, in _all_speed_tests
    thread_id = thread.start_new_thread(self._speed_test, (self._mirrors_model, iter))
thread.error: can't start new thread
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueErrorUnhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
Unhandled exception in thread started by <bound method MirrorSelectionDialog._speed_test of <__main__.MirrorSelectionDialog object at 0xb53f832c>>
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
: need more than 1 value to unpack
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 480, in _speed_test
    errno, errstr = error           
ValueError: need more than 1 value to unpack
/usr/lib/linuxmint/mintSources/mintSources.py:1106: GtkWarning: /build/buildd/gtk+2.0-2.24.23/gtk/gtktreeview.c:6307 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_view->priv->model, &iter)' failed.
There is a disparity between the internal view of the GtkTreeView,
and the GtkTreeModel.  This generally means that the model has changed
without letting the view know.  Any display from now on is likely to
be incorrect.

  gtk.main()
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 1087, in select_new_base_mirror
    url = self.mirror_selection_dialog.run(self.base_mirrors)
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 508, in run
    self._update_list()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 434, in _update_list
    self._all_speed_tests()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 440, in _all_speed_tests
    thread_id = thread.start_new_thread(self._speed_test, (self._mirrors_model, iter))
thread.error: can't start new thread
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 1087, in select_new_base_mirror
    url = self.mirror_selection_dialog.run(self.base_mirrors)
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 508, in run
    self._update_list()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 434, in _update_list
    self._all_speed_tests()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 440, in _all_speed_tests
    thread_id = thread.start_new_thread(self._speed_test, (self._mirrors_model, iter))
thread.error: can't start new thread
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 1087, in select_new_base_mirror
    url = self.mirror_selection_dialog.run(self.base_mirrors)
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 508, in run
    self._update_list()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 434, in _update_list
    self._all_speed_tests()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 440, in _all_speed_tests
    thread_id = thread.start_new_thread(self._speed_test, (self._mirrors_model, iter))
thread.error: can't start new thread
Traceback (most recent call last):
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 1087, in select_new_base_mirror
    url = self.mirror_selection_dialog.run(self.base_mirrors)
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 508, in run
    self._update_list()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 434, in _update_list
    self._all_speed_tests()
  File "/usr/lib/linuxmint/mintSources/mintSources.py", line 440, in _all_speed_tests
    thread_id = thread.start_new_thread(self._speed_test, (self._mirrors_model, iter))
thread.error: can't start new thread
user@userdesktop ~ $

This is what I get after the following actions:
1. Fix MergeList problems;
2. Restore the default settings in Official Reposotiries tab;
3. Choosing the "Second button" in Official Reposotiries tab, 3 times.