This post is about Program compatibility assistant service, Quality windows audio video experience (qWave), and Secondary logon Windows system services:
1) Program compatibility assistant service: Program compatibility assistant Windows service is used for checking compatibility of programs and applications with a Windows computer. If this service is disabled, then programs will not be able to run in compatibility mode.
2) Quality windows audio video experience (qWave) service: Quality windows audio video experience service is used for audio and video streaming in home networks. It provides a quality audio and video experience in a home network. You don’t have to disable this Windows service as it is run only when it is required by a program or an application.
3) Secondary logon service: Secondary logon Windows service is used for running programs or applications using a different login account. If this service is disabled, then you will not be able to run an application with a secondary login credentials.