Why do some programs still run in the background after one-click cleanup? July 11, 2023 15:14 Updated After your phone is cleaned up, software will run in the background because of the way the Android system is designed. Related articles The software won't update. What can I do? What do I do if there is an OTA upgrade failure? How do I delete a Google account in the system? How can I recycle my old discarded device? The Active Noise Cancellation (ANC) is not working.