Windows 10 will block Potentially Unwanted Applications by default
Microsoft is making a change to the way so-called Potentially Unwanted Apps (PUAs) are handled by Defender and Edge in Windows 10.
Starting this month, Microsoft Defender and Microsoft Edge on Windows 10 will default to blocking PUAs. Users who want greater control over the apps that can be run on their computer have the option of disabling the setting, but this does mean missing out on an important protective measure.