SEPM 12.1.6 MP3 Report with device control: show user system

Hello everyone,
I havean incidentwhen generatingreportrisksand showsmeasthisimage,ofa total of 344events generated342are generatedwithusernameSYSTEM, knowing thatauthenticates userswithaccountscreateddomainandtheadministratoraccountaslocal computer.Lockpoliciesand exceptionsarecreated tolockUSB, CD/ DVD.andI generated342lockingeventsis notaffectedusers,and when I goto the path wherethe .exefileregistration andnothing is found.

agradecereyour help ..