967 questions with Windows development | Windows App SDK tags

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1 answer One of the answers was accepted by the question author.

WinUI packaged app does not produce _bundle.msixupload file

I created a simple WinUI Blank App (packaged), but I have not been able to produce a bundle file for Microsoft Store submission. Here is what I did. Right-click the project > Package and Publish > Associate App with the Store Right-click the…

Windows development | Windows App SDK
asked 2025-08-10T05:24:23.5733333+00:00
Hong 1,391 Reputation points
commented 2025-12-06T14:53:09.39+00:00
Hong 1,391 Reputation points
2 answers

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 0 Reputation points
edited the question 2025-12-06T01:00:32.04+00:00
Rob Hamiter 0 Reputation points
1 answer

How do you turn off Smart App Control in Windows Sandbox?

Pretty simple, the title is descriptive enough I suppose. How do you turn off Smart App Control in Windows Sandbox? Sandbox has been instrumental in our testing phase, but has slowly become useless. To top it off, most settings being removed because…

Windows development | Windows App SDK
asked 2025-12-01T01:10:47.3933333+00:00
Justin Sanity 10 Reputation points
edited a comment 2025-12-05T17:11:55.4466667+00:00
Arek Kensy 0 Reputation points
1 answer

MS Graph Beta: POST /workplace/sensorDevices/ingestTelemetry returns HTTP 500 "An unknown error occurred"

I'm trying to create a proof-of-concept for the Microsoft Places API/SDK. The goal is to dynamically mark desks in the Places app as available/unavailable (as in setting occupancy to true/false) based on some telemetry data ingested from an external…

Windows development | Windows App SDK
asked 2025-12-05T10:11:11.72+00:00
Niels Heidbrink 0 Reputation points
edited the question 2025-12-05T11:36:06.3533333+00:00
Gérard Oomens 113.2K Reputation points Volunteer Moderator
2 answers

I'm using ASP.net signalR. Windows application .Net

After the client's network disconnects, the SignalR connection persists, but the client does not receive notifications. We make a request to the server, and the server responds, but the client still does not receive notifications even when a new request…

Windows development | Windows App SDK
asked 2025-11-26T16:17:34.7533333+00:00
Pavithra 0 Reputation points
commented 2025-12-04T11:00:11.88+00:00
Raymond Huynh (WICLOUD CORPORATION) 3,645 Reputation points Microsoft External Staff Moderator
2 answers

AppInstaller crashes on Windows10 operation system when searching for updates automatically.

I have an UWP application which is stored in a blob storage of Azure. For the updates my .appInstaller file is responsible. Since I've updated my app's Target Platform version to 10.0.26100.0 and updated UWP related packages, the appinstaller fails when…

Windows development | Windows App SDK
asked 2025-11-24T11:12:41.79+00:00
Tam Bi 0 Reputation points
commented 2025-12-04T10:58:36.1366667+00:00
Raymond Huynh (WICLOUD CORPORATION) 3,645 Reputation points Microsoft External Staff Moderator
2 answers

NvTensorRTRTXExecutionProvider cannot be downloaded automatically when following these steps on the Get started page

I'm following these steps https://learn.microsoft.com/en-us/windows/ai/new-windows-ml/get-started?tabs=python#step-2-download-and-register-eps. After I ran this Python script, the NvTensorRTRTXExecutionProvider was not downloaded automatically by…

Windows development | Windows App SDK
asked 2025-11-21T06:08:36.3533333+00:00
Aimee Hou 0 Reputation points
commented 2025-12-04T10:52:44.6266667+00:00
Danny Nguyen (WICLOUD CORPORATION) 5,065 Reputation points Microsoft External Staff Moderator
3 answers

C# 2026 - properties all giving me error : does not configure the code serialization for its property content

I've started a new project and loaded old .cs files from a previous project. app won't compile because all my properties are complaining about the same issue e.g. bool bolAllowDecimal = false; public bool AllowDecimal { get…

Windows development | Windows App SDK
asked 2025-11-30T23:41:29.4933333+00:00
Christ Kennedy 41 Reputation points
commented 2025-12-04T08:51:00.0233333+00:00
Jay Pham (WICLOUD CORPORATION) 3,060 Reputation points Microsoft External Staff Moderator
2 answers

.NET MAUI Compatibility with WindowsAppSDK 1.8

I have a .NET MAUI application that I want to be framework dependent with self contained false and windowsappsdkselfcontained false. I noticed that for my application to work I need to have runtime 1.7.4-1.7.6 to be installed. Why does 1.8 not work and…

Windows development | Windows App SDK
asked 2025-12-03T21:20:18.1033333+00:00
Ryley Jue 0 Reputation points
answered 2025-12-04T06:58:54.8633333+00:00
Jack Dang (WICLOUD CORPORATION) 4,945 Reputation points Microsoft External Staff Moderator
2 answers

Accessing shared drive using Directory.GetFiles() (C#) method is very slow.

We have application using Directory.GetFiles() to browse and locate files in Network shared drive. Since we have migrated the code from .NET framework 4.8 to .NET 8. accessing the same file/path takes 100 times longer than previously. We have been…

Windows development | Windows App SDK
asked 2025-11-17T03:45:53.85+00:00
Atal Sarker 0 Reputation points
commented 2025-12-03T10:29:29.9266667+00:00
Michael Le (WICLOUD CORPORATION) 6,020 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

app update on Windows store causes a 0X80073CF3 due to Microsoft.NET.Native.Framework.2.3 not being found

After submitting our latest version of our app with just a small code change, the app install from the Windows app store is encountering an error on both Windows 10 and 11 and the error is saying Microsoft.NET.Native.Framework.2.3 dependency is not found…

Windows development | Windows App SDK
asked 2025-11-24T19:58:07.0433333+00:00
Karhu Koti 76 Reputation points
accepted 2025-12-02T15:26:57.51+00:00
Karhu Koti 76 Reputation points
1 answer

Delay of Adding Event Handlers

This is follow up to this thread. I use a Dispatcher to delay setting Event Handlers: Private Delegate Sub ManageHandles() Private Sub LoadMe(sender As Object, e As RoutedEventArgs) Handles Me.Loaded .... Dim d As New ManageHandles(AddressOf…

Windows development | Windows App SDK
asked 2025-10-22T04:05:53.0666667+00:00
RogerSchlueter-7899 1,526 Reputation points
edited a comment 2025-12-01T03:45:54.4333333+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
2 answers

How to fix AccEvent UIAutomation stopped

What to do this error it always pop up on my screen AccEvent-UIAutomation stopped Moved from: Community Center | Discuss the Q&A site | Site bug or problem

Windows development | Windows App SDK
asked 2025-11-26T16:45:18.9433333+00:00
claraide ouano 0 Reputation points
edited a comment 2025-12-01T03:08:05.0533333+00:00
Jay Pham (WICLOUD CORPORATION) 3,060 Reputation points Microsoft External Staff Moderator
2 answers

How do I make my app exit when the user updates it via the Microsoft store?

I have an app in the Microsoft Store, when an update is available a user can click Update in the store. I added the following code to detect that and allow the store to apply the update: var catalog =…

Windows development | Windows App SDK
asked 2025-11-10T00:54:57.24+00:00
sysadmin 40 Reputation points
commented 2025-12-01T01:35:14.9666667+00:00
sysadmin 40 Reputation points
2 answers One of the answers was accepted by the question author.

view source working in vs2022 but not in VS 2026

In LIve Visual Tree in VS 2026 insider , view source working in vs2022 but not in VS 2026

Windows development | Windows App SDK
asked 2025-11-12T11:55:01.1033333+00:00
Ben-Haim, Udi 25 Reputation points
commented 2025-11-30T02:06:37.9033333+00:00
annonyinggggg 0 Reputation points
2 answers

Fixing 0x80073CF3 on my own msix app

Hello, I recently published an update for my app on the Microsoft Store. The update appears to publish successfully, but when users attempt to install or update the app, they encounter error 0x80073CF3, with a message indicating a conflicting package. I…

Windows development | Windows App SDK
asked 2025-11-23T21:50:07.0266667+00:00
eli k 20 Reputation points
commented 2025-11-28T08:54:31.7033333+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer

Unable to run or deploy Windows App SDK Push Notification Sample from Microsoft learn.

I'm trying to run the Microsoft Push Notifications sample taken from here to explore this capability on a Windows app. My setup composed of Azure Notification server, remote app to trigger the Notifications (Postman), and the client app. Unfortunately, I…

Windows development | Windows App SDK
asked 2025-10-30T15:11:46.5466667+00:00
Hagai Vinik 0 Reputation points
commented 2025-11-28T08:28:37.7166667+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer

Top-level statements must precede namespace and type declarations, on line 22, it says i cant use methods in a variable how else could i name the variable?

using UnityEngine; public class NewMonoBehaviourScript : MonoBehaviour { // Variables public float speed = 5.0f; public float turnspeed; // Start is called once before the first execution of Update after the MonoBehaviour is…

Windows development | Windows App SDK
asked 2025-10-23T05:28:13.25+00:00
JD Harris 0 Reputation points
commented 2025-11-28T07:44:47.12+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
3 answers

How can I fix the 2025-10 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5066835) (26200.6899) update from failing to update

When i try to do the 2025-10 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5066835) (26200.6899) update it always fails and it says retry, I click it and it fails again and again. How can I fix this?

Windows development | Windows App SDK
asked 2025-10-19T23:21:57.21+00:00
Anderson,Nathan A 10 Reputation points
commented 2025-11-28T07:29:53.82+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
2 answers

MakePri resources generate issue

Hello experts, I'm having hard times configuring my priconfig.xml for manual generating of my resources.pri, here's my working priconfig.xml: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <resources…

Windows development | Windows App SDK
asked 2025-10-20T13:40:05.6266667+00:00
StewartBW 1,905 Reputation points
commented 2025-11-28T07:29:08.67+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator