1,020 questions with Windows development | Windows App SDK tags

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MSI installation is failing with error 1603

MSI upgrade is failing with following error. Action 13:15:15: ExecuteAction. Action start 13:15:15: ExecuteAction. MSI (c) (1C:5C) [13:15:15:954]: PROPERTY CHANGE: Adding SECONDSEQUENCE property. Its value is '1'. MSI (c) (1C:5C) [13:15:15:954]: Grabbed…

Windows development | Windows App SDK
asked 2026-09-10T14:00:20.23+00:00
Bevan Thomas 0 Reputation points
0 answers

Can i use Window App SDK + Entra ID for Push Notification for MSIX app + submit to MS Store

I'm planning to use Flutter to build a Windows app, using an MSIX installer. I need to distribute my app via MS Store Sideloading MSIX with manual certificate signing. Features my app needs Push notification My Question: Can i use Entra ID +…

Windows development | Windows App SDK
asked 2026-09-10T09:19:11.99+00:00
Max Nguyen 0 Reputation points
edited the question 2026-09-10T10:05:54.92+00:00
Jack Dang (WICLOUD CORPORATION) 18,975 Reputation points Microsoft External Staff Moderator
1 answer

Windows 11 26100 specific c0000005 crash in Modern Context Menu Shell Extension (ExplorerMenu.Shell.dll)

Hello Microsoft Community Support and Developers, We recently received a high-priority health alert in our Partner Center account regarding a critical issue that is heavily impacting our users on the latest Windows 11 builds. Here is the detailed summary…

Windows development | Windows App SDK
asked 2026-09-10T06:52:52.9+00:00
ShengYu 20 Reputation points
edited the question 2026-09-10T07:05:06.9866667+00:00
ShengYu 20 Reputation points
0 answers

supported key-rollover/"migration option" in Mage.exe when changing code-signing certificate (production blocked)

Summary Our issuing CA (GlobalSign) has advised us that Microsoft ClickOnce supports certificate/key rollover via "Mage.exe or MageUI.exe with the migration option," allowing existing installations to recognize a new signing key. We can find no…

Windows development | Windows App SDK
asked 2026-09-08T14:07:09.67+00:00
Khalid Mohamed 0 Reputation points
0 answers

Age Signals: how do you register an app ID, and do unregistered Win32 apps still run?

These two pages do not answer the questions below: https://learn.microsoft.com/en-us/windows/apps/develop/security/age-signals/ https://learn.microsoft.com/en-us/windows/apps/develop/security/age-signals/implement-age-signals They only show how a…

Windows development | Windows App SDK
asked 2026-09-06T05:19:17.4433333+00:00
Andrew Dipuma 60 Reputation points
3 answers

Kinect for Windows 11 has broken!!! (Solve Found)

Very sadly, the connection to Kinect V2 no longer works with Windows 11 - the error is constantly the same from Kinect for Windows no matter what one does. Everything connects other than 'Update Configuration Definitions' (failed to update) and 'USB…

Windows development | Windows App SDK
asked 2025-11-05T01:15:11.6066667+00:00
tw1421 20 Reputation points
commented 2026-08-31T18:55:38.79+00:00
Mat1234 0 Reputation points
1 answer

how to download window 11, even if my pc is not met the requirement

im trying to install window 11 on my pc , but it tells me that my pc is not qualify or ready for window 11, so how can i download window 11 even if my pc is not qualify?

Windows development | Windows App SDK
asked 2026-08-30T14:59:57.45+00:00
Matias K Shalulile 0 Reputation points
edited the question 2026-08-31T00:32:56.4366667+00:00
Jay Pham (WICLOUD CORPORATION) 4,435 Reputation points Microsoft External Staff Moderator
0 answers

Cannot connect to Local computer on Hyper-V

Hi all, I encounter this error recently when trying to connect to Local computer on Hyper-V: “An error occurred while attempting to connect to server ‘My Laptop name’. Check that the Virtual Machine Management service is running and that you are…

Windows development | Windows App SDK
asked 2026-08-30T04:04:47.6033333+00:00
ptm5115 0 Reputation points
edited the question 2026-08-31T00:25:28.4166667+00:00
Jay Pham (WICLOUD CORPORATION) 4,435 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How to check for Microsoft Store updates without triggering an automatic download?

I am developing a Packaged Windows Service application and I need to check for available updates from the Microsoft Store. However, I am encountering an issue where the download starts automatically as soon as the update is detected. I have tried two…

Windows development | Windows App SDK
asked 2025-12-23T11:12:53.6766667+00:00
Diogo Costa Maranhao Rodrigues 120 Reputation points
edited a comment 2026-08-26T07:02:26.69+00:00
Sirion Pavanelli 0 Reputation points
2 answers

How to fix WindowsAppRuntime.1.8 stuck on reserving space for the past hour

When I tried updating a game the update was stuck on que and when I checked Microsoft store. It was stuck on updated WindowsAppRuntime.1.8 saying its "reserving space" its been a hour. Are their any fixes or do I have to reset something?

Windows development | Windows App SDK
asked 2026-08-05T00:03:32.22+00:00
Pablo Alonso 5 Reputation points
answered 2026-08-21T17:24:44.85+00:00
axymer 0 Reputation points
0 answers

Is there a way to ignore right-click in the suggestion list of AutoSuggestBox?

Currently, right-click in the suggestion list of AutoSuggestBox causes the list to close. Is there a way to ignore the right-click and keep the suggestion list up? I've tried adding event handlers to the AutoSuggestBox, its popup, and the list in the…

Windows development | Windows App SDK
asked 2026-08-14T02:06:15.7433333+00:00
Ken Kameda 1 Reputation point
0 answers

Official Windows App SDK PFN mapping email rejects request with SMTP 550 5.4.1

I am following the official Windows App SDK push notifications quickstart to map a packaged Win32 app's Package Family Name (PFN) to its Microsoft Entra AppId. The documentation instructs developers to email Win_App_SDK_Push@microsoft.com with the PFN,…

Windows development | Windows App SDK
asked 2026-08-07T23:20:13.34+00:00
Igor Cavalcante 0 Reputation points
edited the question 2026-08-07T23:38:16.2966667+00:00
Igor Cavalcante 0 Reputation points
1 answer One of the answers was accepted by the question author.

Windows (MSIX): How to Implement HTTPS Deep Linking for a Desktop Application?

I want to implement HTTPS deep linking in a Flutter Windows application packaged with MSIX. The goal is that when a user clicks an HTTPS URL, the installed Windows application should open directly and receive the complete URL so it can navigate to the…

Windows development | Windows App SDK
asked 2026-07-06T10:31:01.3066667+00:00
Jay P 25 Reputation points
commented 2026-07-31T10:25:20.16+00:00
Nishidh K 0 Reputation points
1 answer One of the answers was accepted by the question author.

MSIX Win32 app reading raw \\.\C: (MFT) only when run as admin Is it Store-compliant?

I'm building a disk-space visualizer (Link removed by Moderator) that I want to ship as a fully Microsoft Store–compliant MSIX (packaged full-trust Win32 app, EntryPoint="Windows.FullTrustApplication"), and I'm looking for the right way to do…

Windows development | Windows App SDK
asked 2026-07-11T13:36:38.3133333+00:00
Mustapha Ben 35 Reputation points
commented 2026-07-20T02:49:54.5033333+00:00
Taki Ly (WICLOUD CORPORATION) 4,440 Reputation points Microsoft External Staff Moderator
1 answer

winui x coreclr bug - c0000005 code

I have 0 idea about the relationship between WinUI 3 and CoreCLR, to be clear. 3 projects of WinUI 3 are failing with the same error code. No matter what I try — DISM, SFC, reinstalling all .NET packs (even using more "stable" versions), I even…

Windows development | Windows App SDK
asked 2026-07-11T08:06:59.7833333+00:00
Soterana00 Yt 0 Reputation points
commented 2026-07-17T02:17:37.9966667+00:00
Nancy Vo (WICLOUD CORPORATION) 8,155 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Is WinUI 3 the native UI framework for new C++ desktop applications?

Hi, We are developing a new native Windows desktop application in C++ and are currently evaluating the UI framework to use for the Windows platform. Many Microsoft documents and recent Windows announcements refer to WinUI 3 as the framework for modern…

Windows development | Windows App SDK
asked 2026-07-10T07:05:50.2566667+00:00
Harshithraj1871 1,786 Reputation points
accepted 2026-07-13T06:01:53.6466667+00:00
Harshithraj1871 1,786 Reputation points
2 answers

Clipboard History Infinite Loading and Disappearing

Hey there folks! I've had an issue for a couple of months now with my clipboard history not working whenever I press Win + V (it appears to be loading and then it simply disappears), I've tried contacting Microsoft support both online and via phone…

Windows development | Windows App SDK
Windows for business | Windows Client for IT Pros | User experience | Other
asked 2021-12-15T15:17:26.143+00:00
OminousCry 1 Reputation point
answered 2026-07-11T08:58:19.82+00:00
Leo Chan 0 Reputation points
4 answers

App update for Windows Store from Xamarin to MAUI (msixbundle) deleted user data

I've had my Windows app in the Windows Store since 2017, updated the bundle numerous times but the new bundle which is the migration from Xamarin to MAUI unexpectedly deleted my user's data. The msix in the bundle for x64 was tested and it installed…

Windows development | Windows App SDK
asked 2026-05-20T21:40:14.7333333+00:00
Brian Conrad 111 Reputation points
answered 2026-07-08T20:56:32.2466667+00:00
Brian Conrad 111 Reputation points
3 answers One of the answers was accepted by the question author.

I cannot find the Xbox PC Toolbox in the Microsoft Store. Can someone provide a link?

There's suppose to be an Xbox PC Toolbox in the MS Store that'll allow me to connect to the Xbox Ally remotely but I cannot find it. Documentation says you'll find it in the Retail store but I cannot find it. I've also searched for it in my dev sandbox's…

Windows development | Windows App SDK
asked 2025-12-06T00:53:05.1333333+00:00
Rob Hamiter 25 Reputation points
commented 2026-06-15T22:31:36.5166667+00:00
Rob Hamiter 25 Reputation points
1 answer

Microsoft Store WinAppRuntime.Main Update Stuck on Error 0x80070032 (Dependency Validation Block)

Microsoft Store WinAppRuntime.Main Update Stuck on Error 0x80070032 (Dependency Validation Block) When attempting to check for updates in the Microsoft Store, WinAppRuntime.Main.1.8 fails to update continuously, displaying a generic "Something went…

Windows development | Windows App SDK
asked 2026-05-23T14:20:22.4133333+00:00
Caleb Sorrensen 0 Reputation points
commented 2026-06-01T04:49:58.2133333+00:00
Jack Dang (WICLOUD CORPORATION) 18,975 Reputation points Microsoft External Staff Moderator