mm21dlx_trial (en-US) is a software product for Windows developed by MAGIX Software GmbH
It is reported that the following Windows processes are part of mm21dlx_trial (en-US):
If you want to remove mm21dlx_trial (en-US) from your computer, just go to Start > Control Panel > Add/Remove programs and select mm21dlx_trial (en-US) from the list of programs.