PTSI is a software developer for Windows.
It is reported that the following Windows processes are part of PTSI_PV_DIA:
If you want to remove PTSI_PV_DIA from your computer, just go to Start > Control Panel > Add/Remove programs and select PTSI_PV_DIA from the list of programs.
It is reported that the following Windows processes are part of OpenQuiz:
If you want to remove OpenQuiz from your computer, just go to Start > Control Panel > Add/Remove programs and select OpenQuiz from the list of programs.