Smart App Control Frequently Asked Questions | Microsoft Support
If the app has a valid signature, Smart App Control will let it run. If the app is unsigned, or the signature is invalid, Smart App Control will consider it untrusted and block it for your protection.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
XBOX enforcement action FAQ
Because of the seriousness of these violations, and to keep other players safe, permanently banned profiles are blocked from accessing the XBOX network in any capacity.
Blocked content | XBOX Support
If content you’re trying to purchase on XBOX is blocked, we can help you solve the issue.
App & browser control in the Windows Security App
In the Windows Security app on your PC, select App & browser control, or use the following shortcut: Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted.
Potentially unwanted apps are blocked by default
Beginning with the Windows 10 May 2020 Update , Microsoft added Potentially Unwanted App blocking for everyone running Windows 10, but customers who wanted to use it had to turn it on.
Applies To:
Microsoft Defender on Windows
Protect your PC from potentially unwanted applications
Potentially unwanted app blocking is turned off by default for enterprise and consumer customers. How do I configure it? To configure potentially unwanted app blocking go to Start > Settings > Update & Security > Windows Security > App & browser control > Reputation-based protection settings.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
Fix problems with apps from Microsoft Store
Show me how to turn on automatic app updates. If you're in Windows 11 and you're having problems with an app from Microsoft Store, consider these updates and fixes. First, sign in to your Microsoft account. Next, work through these possible solutions in the order presented.
Protect your PC from unwanted software | Microsoft Support
Microsoft Defender Antivirus tries to block malware before it can infect your device. Potentially unwanted apps (PUA) aren't malware, but they might display unwanted advertising, secretly use your PC for cryptomining, offer other unexpected apps, or do other things you'd prefer they not do.