Will, there is no admin log in 6.05, but there was in 5.47 and in 6.1.0.3. It will be in the /BanLists directory in the 5.47 board as in the 6.1 boards.
Have you looked at your server's access logs to see who is accessing your control panel?
Are the configurations getting set EXACTLY the same every Monday?
Is there any chance you have more then one board running off the same set of variables files? Someone making changes on one board that is accidently changing another board at the same time?
Honor The Victims
