Not sure about this, but disk is full? The installation isn't stopped,
and the user isn't notified when the disk is becoming full? From syslog:
May 8 06:34:14 ubuntu ubiquity: cannot copy extracted data for
'./usr/lib/x86_64-linux-gnu/vdpau/libvdpau_d3d12.so.1.0.0' to
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