Security News > 2021 > August > Windows 10 to automatically block potentially unwanted apps
Microsoft Defender and Microsoft Edge on Windows 10 will automatically block potentially unwanted applications by default starting this month.
Starting with the Windows 10 2004, the May 2020 update, Microsoft added a new 'Potentially unwanted app blocking' setting in Windows security that causes Microsoft Defender to block these types of applications.
Windows 10 users who do not wish to block PUAs by default can turn the feature off by opening the Windows Security setting screen, clicking on App & browser control, and selecting Reputation-based protection settings.
Advertising software: Software that displays advertisements or promotions, or prompts you to complete surveys for other products or services in software other than itself.
Bundling software: Software that offers to install other software that is not developed by the same entity or not required for the software to run.
Evasion software: Software that actively tries to evade detection by security products, including software that behaves differently in the presence of security products.
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