R.G. Catalyst \ Bestrepack.net is a software developer for Windows.
It is reported that the following Windows processes are part of «The Sims 3 Deluxe Edition»:
If you want to remove «The Sims 3 Deluxe Edition» from your computer, just go to Start > Control Panel > Add/Remove programs and select «The Sims 3 Deluxe Edition» from the list of programs.