If this setting is enabled, Windows Defender protects against Potentially Unwanted Applications. For more information, see https://blogs.technet.microsoft.com/mmpc/2015/11/25/shields-up-on-potentially-unwanted-applications-in-your-enterprise/.
If this setting is disabled or not configured, Potentially Unwanted Application protection is disabled.
| Registry Hive | HKEY_LOCAL_MACHINE |
| Registry Path | Software\Policies\Microsoft\Windows Defender\MpEngine |
| Value Name | MpEnablePus |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |