Whenever I install my ready packages from one machine to another, I keep forgetting that ClamAV needs its user and group (
gid=210), as suggested. The script will prompt you to add them as this:
groupadd -g 210 clamav
useradd -u 210 -d /dev/null -s /bin/false -g clamav clamav
I then add my user to the
clamav:x:210: group in
/etc/group, and proceed installing the ClamTK GUI.