I recently had an unpleasant surprise updating packages on a Centos 5 server with Plesk 10.4.4.

The awstats statistics stopped working. The reason was the update of awstats-7.0-12012611.swsoft rpm with the update of Centos awstats-7.0-2.el5.rf .

I solved the problem by brutally removing the Centos package and reinstalling the Plesk one.

rpm -e --nodeps awstats 
wget http://64.131.90.31/PSA_10.4.4/dist-rpm-CentOS-5-x86_64/contrib/awstats-7.0-12012611.swsoft.noarch.rpm 
rpm -ivh awstats-7.0-12012611.swsoft.noarch.rpm