JMR.s is a software developer for Windows.
It is reported that the following Windows processes are part of HDD Activity Light:
If you want to remove HDD Activity Light from your computer, just go to Start > Control Panel > Add/Remove programs and select HDD Activity Light from the list of programs.
It is reported that the following Windows processes are part of Storage Activity LED:
If you want to remove Storage Activity LED from your computer, just go to Start > Control Panel > Add/Remove programs and select Storage Activity LED from the list of programs.