HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates

Check for the latest virus and spyware definitions on startup
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\UpdateOnStartUp
Specify the interval to check for definition updates
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\SignatureUpdateInterval
Define the number of days after which a catch-up definition update is required
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\SignatureUpdateCatchupInterval
Allow notifications to disable definitions based reports to Microsoft Active Protection Service (MAPS).
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\SignatureDisableNotification
Specify the time to check for definition updates
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\ScheduleTime
Specify the day of the week to check for definition updates
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\ScheduleDay
Allow real-time definition updates based on reports to Microsoft Active Protection Service (MAPS)
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\RealTimeSignatureDelivery
Allow definition updates from Microsoft Update
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\ForceUpdateFromMU
Define the order of sources for downloading definition updates
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\FallbackOrder
Initiate definition update on startup
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\DisableUpdateOnStartupWithoutEngine
Allow definition updates when running on battery power
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\DisableScheduledSignatureUpdateOnBattery
Turn on scan after signature update
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\DisableScanOnUpdate
Define file shares for downloading definition updates
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\DefinitionUpdateFileSharesSources
Define the number of days before virus definitions are considered out of date
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\AVSignatureDue
Define the number of days before spyware definitions are considered out of date
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Microsoft Antimalware\Signature Updates\ASSignatureDue