This policy setting allows you to specify the scan type to use during a scheduled scan. Scan type options are: 1 = Quick Scan (default) 2 = Full Scan If you enable this setting, the scan type will be set to the specified value. If you disable or do not configure this setting, the default scan type will used. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Defender\Scan!Specify the scan type to use for a scheduled scan (2) REG: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Scan!ScanParameters