Bug is caused when Kubuntu settings for system proxy are manually set in System Settings --> Network Settings --> Proxy --> Manually Specifiy the Proxy settings.
The cause and a workaround is given in comment #6 of the Google bug report.
See also KDE bug report https://bugs.kde.org/show_bug.cgi?id=288002
Bug is caused when Kubuntu settings for system proxy are manually set in System Settings --> Network Settings --> Proxy --> Manually Specifiy the Proxy settings.
The cause and a workaround is given in comment #6 of the Google bug report.
See also KDE bug report https:/ /bugs.kde. org/show_ bug.cgi? id=288002