How often should I run a scan? By YL ComputingDecember 14, 2022Clean Up PC You should run a scan once a month to ensure your computer’s health and performance. We recommend using WinUtilities software for this purpose, as it will detect and fix common PC problems for you. Related Content:How can I optimize my computer performance?How to clean and repair invalid registry entries and errors in Windows?What is the best way to clear out temporary files?