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I've just installed a new fresh Ubuntu 16.04. I was just going to install simplescreenrecorder. I added this PPA: sudo add-apt-repository ppa:maarten-baert/simplescreenrecorder

After running sudo apt-get update it returned the following:

E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh > /dev/null; fi'

E: Sub-process returned an error code

sudo apt-get install simplescreenrecorder worked just fine

Zanna
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NgocQuy
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1 Answers1

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Looks like appstream bug. You can purge libappstream3 completely, but if you still need appsteam, try to comment last 3 lines in file:

/etc/apt/apt.conf.d/50appstream

This solution doesn't fix the bug, but hides the appstream error message during apt updates disabling refresh appsteam cache when apt's cache is updated.

Bob
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