If you have used Windows 8 for some period of time, inevitably you will see this message “Maintenance in progress” showing up in the “Action Center”. You can click Open Action Center to view more detail and recent messages about your computer’s status but it doesn’t tell you exactly what’s doing behind the scene.
Open Action Center, under Maintenance tab, expand the tab you will see a section about “Automatic Maintenance”. All you see is the last run date (if it has successfully ran before) and the option for you to start or stop “maintenance”.
But that still doesn’t answer what exactly it’s doing when Windows 8 is running automatic maintenance. Well there is a quick way to find that out . While maintenance is running, you can go to the newly enhanced Task Manager to take a peak at what processors your machine is currently consuming most of the CPU or memory. This usually leads to a good indication at what the automatic maintenance is doing.
As you can see, there are couple processor or services it has fired up. It’s running the Antimalware Service Executable (Windows Defender Service) and Service Host: Disk Defragmenter (Optimize drives). You can further confirmation this theory by manually stop