Your PC relies on certain system files to run smoothly, and if any of these files become corrupt, it can impact performance.

On Windows 11, you can use PowerShell to change settings and run quick, full, and custom virus scans with the Microsoft Defender Antivirus, and in this guide, you'll learn how.

Windows 10 and your PC will now restart and boot into the Windows Recovery Environment where it will perform a quick scan using Windows Defender. This process will take up to 15 minutes to finish.

How to perform quick virus scan with Microsoft Defender To complete a quick scan using PowerShell, use these steps: Open Start.

Microsoft has released a new update for Windows Defender that has broken both the Quick and Full antivirus scans. When users use these scan options, Windows Defender will only scan approximately ...

Windows Defender users also ran into problems with Microsoft's built-in antivirus in September, though in that case both Quick Scan and Full Scan were complete within seconds because Windows ...