Should I disable certain programs and services from running? By YL ComputingSpeed Up PC It depends on the programs and services. You should only disable services and programs that you are not using or do not need. Be sure to research any program or service before disabling it to make sure it won’t have a negative impact on your system. Related Content:What should I do if my PC is running too slowly?Should I defragment my hard drive to speed up my computer?What type of tools can I use to diagnose and fix computer problems?