You may set some security preferences on this tab.
Ask for superuser password
Save superuser password
You need to provide the superuser password every time R-Wipe & Clean for Mac tries to clean system traces. You may make the program to store the password for not entering it every time. Moreover, if you mark some system item in a scheduled Preset, R-Wipe & Clean for Mac will ask you select Save superuser password and enter the password.
R-Wipe & Clean for Mac will warn you if you enter a wrong superuser password.