unable to upgrade 16.04 to 18.04

Asked by Magdi on 2018-10-04

GtkDialog mapped without a transient parent. This is discouraged.

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Status:
Needs information
For:
Ubuntu Edit question
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Last query:
2018-10-04
Last reply:
2018-10-04
Manfred Hampl (m-hampl) said : #1

The message "GtkDialog mapped without a transient parent. This is discouraged." is just a warning that does not block anything.
There must be some error messages.

For diagnostic purposes please provide the output that you receive for the following commands (to be executed in a terminal window):

uname -a
lsb_release -crid
sudo apt-get update
sudo apt-get dist-upgrade
sudo dpkg --audit
sudo do-release-upgrade

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