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I got this message when I was using update manager

The action would require the installation of packages from not authenticated sources- details-libopenexr6

Please help , how can I authenticate libopenexr6 ?

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1 Answer 1

Open your terminal and type this:

sudo -i
apt-get update
apt-get -y upgrade
apt-get -y dist-upgrade

to get updates .

Regarding to your issue, open your update manager and select settings option. In settings window at other software option make sure that you have selected all PPA's. Then try again.

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Now update everything except runtime files for the OpenEXR image library.. ie libopenexr6 –  Santhosh Jun 27 '12 at 4:48

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