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Monday, July 22, 2024

Setting to Block Potentially Unwanted Apps PUA using MEM

Smart App Control: A security feature introduced in Windows 11 22H2 to prevent dangerous apps like ransomware or spyware from running on the system.


  • When launching an app, Windows checks a cloud database for information.
  • If the app is known to be safe, it runs normally.
  • If considered unsafe or malicious, Windows prevents it from running.
  • If offline or not in the database, app signatures are used for validation.


  • Helps prevent ransomware and potentially unwanted programs.
  • Easy to use through system settings.
  • Three modes: On, Off, and Evaluation.


  • Only available on a clean Windows installation to ensure safety.
  • There is no override option, potentially blocking trusted older apps.


  • Smart App Control enhances security but needs a whitelist option to address limitations.

Settings to block potentially unwanted Apps (PUA) using Settings Catalog in Microsoft Endpoint Manager.

End user Side

After Applying the Policy

Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Award-winning Technology Leader with a wealth of experience running large teams and diversified industry exposure in cloud computing. From shipping lines to rolling stocks.In-depth expertise in driving cloud adoption strategies and modernizing systems to cloud native. Specialized in Microsoft Cloud, DevOps, and Microsoft 365 Stack and conducted numerous successful projects worldwide. Also, Acting as a Technical Advisor for various start-ups.

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