
Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
Software troubleshooting desk

If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

You open the Microsoft Store and it hangs on the loading screen—spinning circle, no content. This...

You run nginx -t and get upstream host not found. The config test fails...

If you notice that the Microsoft Store is consuming a large amount of memory (often over 500 MB o...

You open Outlook, click a folder, and see: "Cannot expand the folder. The set of folders cann...

When you open Windows Security and see nothing but a blank white or gray screen, it's usually cau...