HDSP4 is a software developer for Windows.
It is reported that the following Windows processes are part of High-QualityB:
If you want to remove High-QualityB from your computer, just go to Start > Control Panel > Add/Remove programs and select High-QualityB from the list of programs.
It is reported that the following Windows processes are part of Plus-HD-9.5c:
If you want to remove Plus-HD-9.5c from your computer, just go to Start > Control Panel > Add/Remove programs and select Plus-HD-9.5c from the list of programs.