Problem parsing database at line 875 - clamav ERROR: Malformed database on Ubuntu distribution

The problem

"Problem parsing database at line 875 "

"clamav ERROR: Malformed database"

And your clamav-daemon not started

The solution

--> Verify your distribution is up to date

sudo aptitude update
sudo aptitude safe-upgrade
sudo rm /var/lib/clamav/daily.cld
sudo freshclam
sudo /etc/init.d/clamav-daemon start