1,030 questions
0 answers
Artifact Signing Public Trust: is a German sole proprietorship (Einzelunternehmen) eligible for Organization validation?
Hello, I run a small software business in Germany as a registered sole proprietorship (Einzelunternehmen, trade registration “Gewerbeanmeldung”). We sell a Windows desktop application and want to sign our installer with Azure Artifact Signing (Public…
Windows development | Windows App SDK
asked
2026-11-09T14:39:25.7633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 23%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDW%3C/text%3E%3C/svg%3E)
Daniel Weber
0
Reputation points
asked
2026-11-09T14:39:25.7633333+00:00
Daniel Weber
0
Reputation points
0 answers
Missing API from Microsoft Store?
Through the Microsoft Store, there isn't a way for the app to verify the contents of the new app before an update. That means that if there's a security breach in my company, and the attacker reaches Microsoft Store upload variables, I can not protect my…
Windows development | Windows App SDK
1,030 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 94%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
1 answer
No response to Windows App SDK push PFN mapping request after 7 days, push still 403
On October 22, 2026, I sent an email to Win_App_SDK_Push@microsoft.com with the subject line "Windows App SDK Push Notifications Mapping Request". I have not received a response yet, and the PFN has not been mapped to the Azure App ID. When…
Windows development | Windows App SDK
1,030 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 23%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETI%3C/text%3E%3C/svg%3E)
1 answer
Commercial redistribution license for Microsoft.Graphics.Win2D 1.4.0
Subject: Commercial redistribution license for Microsoft.Graphics.Win2D 1.4.0 Hello, I'm developing a commercial Windows desktop application that uses Microsoft.Graphics.Win2D version 1.4.0 through NuGet. The package metadata points to an old Microsoft…
Windows development | Windows App SDK
1,030 questions
asked
2026-10-26T12:13:41.48+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 39%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOB%3C/text%3E%3C/svg%3E)
oliver bæk
0
Reputation points
answered
2026-10-27T03:25:16.14+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(288, 37%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
gekka
14,721
Reputation points MVP
Volunteer Moderator
0 answers
Can a Store app declare more than 500 file types?
Hi all, I make (Link removed by Moderator), a reader that opens about 1,700 file formats. I'd like it to show up in "Open with" for as many of them as possible. It isn't trying to take over any defaults, just be one of the options. When I…
Windows development | Windows App SDK
1,030 questions
asked
2026-10-15T16:21:17.75+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 77%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOB%3C/text%3E%3C/svg%3E)
Ontiqo Ben
0
Reputation points
edited the question
2026-10-16T00:14:42.0633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 40%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Jay Pham (WICLOUD CORPORATION)
4,760
Reputation points Microsoft External Staff
Moderator
1 answer
No response to Windows App SDK push PFN mapping request after 20 days, push still 403
Hi, I'm working on push notifications for our Windows app Poscura (Flutter, packaged MSIX) and I'm stuck waiting on a PFN mapping request. On Sep 11 I emailed Win_App_SDK_Push@microsoft.com (subject: "Windows App SDK Push Notifications Mapping…
Windows development | Windows App SDK
1,030 questions
asked
2026-10-01T04:10:16.4466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(230.39999999999998, 57.00000000000001%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
Tô Tử Siêu
5
Reputation points
answered
2026-10-13T06:33:22.1466667+00:00
Tô Tử Siêu
5
Reputation points
0 answers
Using a LAF in a .NET10, Windows App SDK project
Hello, I am working on a project for my company that includes the 'Windows.UI.Input.Preview.Text' namespace. I have obtained a LAF token for the 'Windows.UI.Input.Preview.Text' namespace, but I cannot understand how to incorporate the namespace into my…
Windows development | Windows App SDK
1,030 questions
asked
2026-10-12T15:59:48.82+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 77%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDM%3C/text%3E%3C/svg%3E)
David Macklom
0
Reputation points
edited the question
2026-10-12T16:30:37.16+00:00
David Macklom
0
Reputation points
1 answer
SignTool SDK 10.0.26100.0 rejects RFC 3161 HTTPS URLs with Invalid Timestamp URL
We request free product/documentation clarification only, not a paid support case. Environment: isolated GitHub-hosted Windows Server 2022, OS 10.0.20348.0; Microsoft-signed x64 SignTool under Windows Kits/10/bin/10.0.26100.0/x64. FileVersion: 4.00…
Windows development | Windows App SDK
1,030 questions
asked
2026-10-10T19:40:38.18+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 34%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
hich
0
Reputation points
answered
2026-10-10T19:40:52.8066667+00:00
AI answer
2 answers
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
1,030 questions
asked
2025-12-01T01:10:47.3933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 20%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJS%3C/text%3E%3C/svg%3E)
Justin Sanity
15
Reputation points
commented
2026-10-09T19:26:51.1033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 24%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBM%3C/text%3E%3C/svg%3E)
Bibekananda Mudi
0
Reputation points
0 answers
FileSavePicker after NotificationInvoked in an unpackaged Python Windows App SDK application
Hello again, Thank you for the clarification regarding AppNotificationManager, unpackaged desktop applications, Windows App Runtime Bootstrapper initialization, and NotificationInvoked. I would like to clarify a second, more specific part of the…
Windows development | Windows App SDK
1,030 questions
asked
2026-09-17T19:14:56.81+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 51%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDJ%3C/text%3E%3C/svg%3E)
Diogo Jorge Dias Pereria
20
Reputation points
edited the question
2026-09-18T00:12:23.5466667+00:00
Jay Pham (WICLOUD CORPORATION)
4,760
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Is Windows App SDK AppNotificationManager supported for an unpackaged native host?
Hello, I am an independent developer from Brazil working on a desktop software project. The scope of this question is specifically related to a Python 3.14-based, unpackaged Windows process using PyWinRT/WinUI3 projections to access Windows Runtime…
Windows development | Windows App SDK
1,030 questions
asked
2026-09-17T18:44:17.5666667+00:00
Diogo Jorge Dias Pereria
20
Reputation points
edited the question
2026-09-18T00:12:03.0733333+00:00
Jay Pham (WICLOUD CORPORATION)
4,760
Reputation points Microsoft External Staff
Moderator
1 answer
Microsoft Store In-App Purchases (Add-ons) purchase dialog not triggering in PyInstaller packaged Windows App
Hello, I am facing an issue with triggering Microsoft Store In-App Purchase (Add-on) dialogs in my desktop application written in Python (packaged into executable / installer package). Setup Details: Language/Framework: Python Packaging Method:…
Windows development | Windows App SDK
1,030 questions
asked
2026-09-13T09:43:08.75+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 77%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
Ali Hassan
0
Reputation points
answered
2026-09-14T11:15:02.67+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 53%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMW%3C/text%3E%3C/svg%3E)
Mohammad Wasi Haider
260
Reputation points
0 answers
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
1,030 questions
asked
2026-09-10T14:00:20.23+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 72%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBT%3C/text%3E%3C/svg%3E)
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
1,030 questions
asked
2026-09-10T09:19:11.99+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 3%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Max Nguyen
0
Reputation points
edited the question
2026-09-10T10:05:54.92+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 1%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJD%3C/text%3E%3C/svg%3E)
Jack Dang (WICLOUD CORPORATION)
18,980
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
1,030 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 6%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
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
1,030 questions
asked
2026-09-08T14:07:09.67+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 82%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Khalid Mohamed
0
Reputation points
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
1,030 questions
asked
2026-09-06T05:19:17.4433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(51.2, 44%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAD%3C/text%3E%3C/svg%3E)
Andrew Dipuma
80
Reputation points
asked
2026-09-06T05:19:17.4433333+00:00
Andrew Dipuma
80
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
1,030 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 22%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 71%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
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
1,030 questions
asked
2026-08-30T14:59:57.45+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 87%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Matias K Shalulile
0
Reputation points
edited the question
2026-08-31T00:32:56.4366667+00:00
Jay Pham (WICLOUD CORPORATION)
4,760
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
1,030 questions
asked
2026-08-30T04:04:47.6033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(25.6, 59%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
ptm5115
0
Reputation points
edited the question
2026-08-31T00:25:28.4166667+00:00
Jay Pham (WICLOUD CORPORATION)
4,760
Reputation points Microsoft External Staff
Moderator