Error 0x803F9006 occurs when you start a game or app on your Xbox console
Learn what to do if you see error 0x803F9006 when you start a game or app on your Xbox console.
July 22, 2025—KB5062649 (OS Build 19045.6159) Preview
This occurred due to incomplete app registration, which prevented the wizard from loading correctly. This update addresses that issue to ensure a smoother enrollment experience.
XBOX Update Preview Release Notes | Xbox Support
Known Issues While known issues may have been listed in previous XBOX Insider Release Notes, they are not being ignored! However, it may take XBOX engineers more time to find a solution. Learn more about the known issues below. My Games and Apps
Find app settings in Windows | Microsoft Support
Find app settings in Windows Most apps have their own settings—look for a gear icon in the app. Note: For some apps, you'll need to select the More icon before selecting the Settings icon.
What's new: Xbox app on PC updates | Xbox Support
Now you can use the Xbox app on PC or handheld devices to manually add any installed game or app to your Xbox library. No matter where it was installed or which storefront it came from, you can now centralise everything in a single library and launch it all from one place.
XBOX Update Preview Release Notes | Xbox Support
Known Issues While known issues may have been listed in previous XBOX Insider Release Notes, they are not being ignored! However, it may take XBOX engineers more time to find a solution. Learn more about the known issues below. My Games and Apps
Secure Boot certificate update status in the Windows Security app ...
The in-app Secure Boot status text is visible on all supported Windows versions. However, Secure Boot-specific badge changes and app notifications are disabled by default on managed and enterprise devices to reduce notification noise.
Improve network performance when using the Xbox app on a Windows device
By making a few adjustments to your home network, you can improve your audio and video quality when playing cloud games. Try the suggestions on this page to improve your PC's performance when using the Xbox app on Windows.
Diagnostic data in Microsoft 365
Optional diagnostic data requires your consent, and you may enable it while installing and setting up Microsoft 365, or later by visiting the Account Privacy settings of any Microsoft 365 app.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, OneDrive for Business 24, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Excel for iPad, Word for iPad, PowerPoint for iPad, Excel for iPhone, Word for iPhone, PowerPoint for iPhone
Smart App Control Frequently Asked Questions | Microsoft Support
Signing is one part of what can make an app trusted or untrusted. The other part is experience. Our intelligent cloud-powered security service sees a huge number of apps every day and uses that knowledge to predict if an app is safe or not safe — even apps we've never seen before.