When you opened Windows Security, you found that Quick Scan and Full Scan were no longer available. Looking at that screen, ...

Windows Security and its Defender antivirus component carries out quick scans and full scans of the files on your computer at regular, scheduled intervals. However, if the computer is switched off at ...

Best Antivirus Software Best Antivirus for Windows 11 PCs in 2026 Ranked Every Windows 11 PC comes with an antivirus already enabled. In fact, Microsoft Defender now scores well in independent lab ...

If your PC is off during a scheduled Windows Security scan, it'll get skipped. Use this simple registry tweak to force scans afterwards. Windows Security and its Defender antivirus component carries ...