There small issue with 6.6.0.72 where if you had modules on tab during shutdown .
When you restart PL it defaults to action log ok but some columns are not shown .
Computer name, user name and command line are not shown till you toggle the tabs , then all is ok .
I think it has to do with number of columns from last closed tab option (modules or threads) as action uses more columns .
Also modules has issue of not showing its columns names on restart as noted above .