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Windows group policy encyclopedia
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Computer Configuration
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Windows Defender
Signature Updates
Policy path:
Windows Components\Windows Defender\Signature Updates
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Allow antimalware service to remain running always
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Allow definition updates from Microsoft Update
Allow definition updates when running on battery power
Allow notifications to disable definitions based reports to Microsoft MAPS
Allow real-time definition updates based on reports to Microsoft MAPS
Check for the latest virus and spyware definitions on startup
Define file shares for downloading definition updates
Define the number of days after which a catch-up definition update is required
Define the number of days before spyware definitions are considered out of date
Define the number of days before virus definitions are considered out of date
Define the order of sources for downloading definition updates
Initiate definition update on startup
Specify the day of the week to check for definition updates
Specify the interval to check for definition updates
Specify the time to check for definition updates
Turn on scan after signature update
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