3,046 questions
3,046 questions with Developer technologies | Universal Windows Platform (UWP) tags
2 answers
Support Needed: Error 0x800B0100 - App Package Must Be Digitally Signed
Hi all, I'm currently facing an issue while creating a UWP package in Unity, and I keep encountering the error 0x800B0100. The error message states, "The app package must be digitally signed for signature validation." Here are the details of…
Developer technologies | Universal Windows Platform (UWP)
asked 2025-03-28T12:23:39.7+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(57.599999999999994, 91%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENS%3C/text%3E%3C/svg%3E)
Nallamuthu Sundhararajan
25
Reputation points
commented 2025-08-29T03:39:05.2033333+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(105.60000000000001, 86%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
Unable to register background task with the appx manifest ( Print Support App )
I'm working on PSA (Print Support App) development with the following environment: Windows 10 22H2 and Windows 11 SDK 10.0.26100.0.
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
2 answers
how to compile resources under one catigory
i am wanting to relocate certain topics - filenames along with related topics and compile the data to see a more streamlined approach to the leveraged data
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-08-20T04:36:43.94+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(105.60000000000001, 27%, 20%)' 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)
Mitchell Neal
5
Reputation points
commented 2025-08-28T10:51:56.32+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, 98%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Raymond Huynh (WICLOUD CORPORATION)
715
Reputation points Microsoft External Staff
1 answer
visual studio 2017 on windows 11 for iot core x86 uwp app development
Hi, I was using visual studio 2017 community on win 10 pro host m/c. I am learning uwp app development on windows 10 iot core x86 image running in virtual box. My development interest is only 32bit Embedded products only. Recently due to the resource…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
Developer technologies | Visual Studio | Other
5,481 questions
asked 2024-12-31T17:29:21.2133333+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(48, 41%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKS%3C/text%3E%3C/svg%3E)
Ketan SHAH
5
Reputation points
commented 2025-08-28T06:43:26.2766667+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
Create virtual printer using Print Support App (PSA)
Hello .net community, I'm trying to create a UWP PSA application following the https://learn.microsoft.com/en-us/windows-hardware/drivers/devapps/print-support-app-v4-design-guide guide. However when I deploy an app locally, the virtual printer is not…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-03-03T19:30:25.82+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(220.8, 55.00000000000001%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yuriy Seniuk
15
Reputation points
commented 2025-08-28T06:29:53.75+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
2 answers
Where can I find entire sample code about Print Support Application(PSA) ?
I am working for writing a PSA application for my printer. I know the guide from here->https://learn.microsoft.com/en-us/windows-hardware/drivers/devapps/print-support-app-design-guide But I can not find the entire sample code about that ongithub or…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
Windows for business | Windows Client for IT Pros | Devices and deployment | Other
Windows for business | Windows Server | User experience | Print jobs
asked 2024-08-13T02:26:22.9033333+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(182.40000000000003, 28.999999999999996%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWS%3C/text%3E%3C/svg%3E)
Woods Sea
10
Reputation points
answered 2025-08-27T11:45:55.56+00:00
Alan Morris
1,336
Reputation points
1 answer
Help Needed for Connecting POS Printer via USB in UWP App
Hi Team, I have implemented POS printer functionality in my UWP app. When I connect the POS printer using Bluetooth, it works perfectly. However, when I connect the printer via a USB cable, I’m unable to find a way to detect or connect to the printer…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
0 answers
How to fix Windows.Networking.Connectivity.dll - Access is denied
Hi, Its a multiplayer game developed with Unity, I have added the following capabilities in Package.appxmanifest : Internet (Client) Internet (Client & Server) Private Networks (Client & Server) The user is asked to sign in by directing to the…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-01-11T16:57:53.4333333+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, 20%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
SHASHANK S
20
Reputation points
commented 2025-08-26T08:57:04.3766667+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
How tools can I analyse WiFiDirectAdvertisementPublisher connectivity problems
I am using the wifidirectadvertisementpublisher in an application to provide hotspot functionality utilizing wifidirectadvertisement.legacysettings. Once the application receives a notification that a client connects to the hotspot via the…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-01-21T17:00:21.91+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(124.80000000000001, 44%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E5%3C/text%3E%3C/svg%3E)
50824634
20
Reputation points
commented 2025-08-26T08:20:06.67+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
Issue with "Mandatory" package update status in Microsoft Store
Hi, I am experiencing an issue with the Microsoft Store incorrectly reporting "Mandatory" package update status in some of my UWP applications. Following the official documentation, I implemented an update flow in my application that provides…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
Developer technologies | .NET | Other
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework
4,119 questions
Developer technologies | C#
11,614 questions
asked 2025-01-24T12:43:15.7233333+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(291.2, 91%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
Joel
5
Reputation points
commented 2025-08-26T08:19:56.1266667+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
ARM64 UWP DesktopExtension – "e_sqlite3.dll is not a valid Win32 application" despite including runtimes\win-arm64\native
I have an UWP app with Desktop Extension (implemented like this tutorial: https://github.com/StefanWickDev/UWP-FullTrust/tree/master). Here is my sample project, which shows this…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-02-11T22:59:23.9333333+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, 95%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EW%3C/text%3E%3C/svg%3E)
WorldOfBasti
136
Reputation points
commented 2025-08-26T08:19:34.76+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
Installing virtual printer using PSA
I am trying to create a Virtual Printer (for print to pdf) using PSA as documented here https://learn.microsoft.com/en-us/windows-hardware/drivers/devapps/print-support-app-v4-design-guide After creating and deploying the solution from visual…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-03-27T10:16:31.5+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(12.8, 0%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERP%3C/text%3E%3C/svg%3E)
Ratheesh Pai
0
Reputation points
commented 2025-08-26T08:17:28.96+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
0 answers
Do we need to Register the background tasks in Print Support App.?
Do we need to register the background tasks .? https://learn.microsoft.com/en-us/windows/uwp/launch-resume/register-a-background-task I am using "Extension Category="windows.printSupportWorkflow" " for the Print Support app. Because…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
Windows development | Windows Driver Kit (WDK)
229 questions
asked 2024-09-26T03:54:08.91+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(41.6, 63%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPA%3C/text%3E%3C/svg%3E)
Pegasus Admin
5
Reputation points
commented 2025-08-22T07:40:03.9+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(16, 26%, 11%)' 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)
朝辉 莫
0
Reputation points
1 answer
How to Setup the Microsoft IPP Driver for the printer support app.?
Hi, I am trying to develop the PSA application with Microsoft IPP Driver can you guide me in setting up the Driver for the printer. PSA extensions: <Extensions> <printsupport:Extension Category="windows.printSupportWorkflow"…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
Windows development | Windows Driver Kit (WDK)
229 questions
asked 2024-06-03T06:42:17.1133333+00:00
Pegasus Admin
5
Reputation points
edited a comment 2025-08-22T07:35:07.95+00:00
朝辉 莫
0
Reputation points
4 answers
One of the answers was accepted by the question author.
Unable to add printSupportSettingsUI Extensions for Print Support applications (PSA)
I am getting errors and unable to use windows.printSupportSettingsUI extension is required for the Print support settings UI. I tried the below sample code provided by Microsoft's Print-support-app-design-guide documentation. …
Developer technologies | Universal Windows Platform (UWP)
3,046 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(115.19999999999999, 50%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
1 answer
Unable to intercept the print jobs with Print Support App and Microsoft IPP Driver
Hi Team, I'm building the PSA print support application using a sample PSA code provided by MS, I am not able to confirm whether the app is activated with PrintSupportSettingsUI and WorkflowTask could you please help me with this? I followed below…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2024-06-03T04:28:08.0633333+00:00
Pegasus Admin
5
Reputation points
edited an answer 2025-08-22T06:55:23.6433333+00:00
朝辉 莫
0
Reputation points
1 answer
How to Parse Durable Purchase Receipt in UWP
Hi, I have created two add-ons: one is a Durable product, and the other is a Subscription product. I successfully received receipts for both during purchase. As per the documentation, I parsed the receipt for the Subscription product and retrieved the…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-01-01T07:23:39.49+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, 33%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
Jay
140
Reputation points
commented 2025-08-21T02:43:06.4266667+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
UWP OcrEngine does not support Ukrainian language
Hello. I am working with OcrEngine from the "Windows.Media.Ocr" namespace in UWP. It seems that this engine has a limited number of languages it supports. My app includes Ukrainian in the list of available languages, which apparently is not…
Developer technologies | Universal Windows Platform (UWP)
3,046 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(44.800000000000004, 34%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E1%3C/text%3E%3C/svg%3E)
1 answer
customer's add-on UI not showing on their screen
We have a user that is having problem with the add-on UI on their installation. Many many other users this works just fine. For some reason, the purchase dialog does not appear when prompted. He is getting this with our application and another…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-03-21T18:14:42.64+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, 79%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
Karhu Koti
46
Reputation points
commented 2025-08-20T02:40:01.8966667+00:00
Harry Vo (WICLOUD CORPORATION)
1,085
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
Reusing Printer HDC for Multiple Documents in WinUI2 Application
I'm developing a WinUI2 (WinRT/C++) application, and we plan to include an option to print documents using the available printers. We want to avoid using the system's default Printer Dialog box and are instead creating our own custom solution. Currently,…
Developer technologies | Universal Windows Platform (UWP)
3,046 questions
asked 2025-08-18T07:46:17.33+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(118.4, 70%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
Shyam Butani
400
Reputation points
accepted 2025-08-19T10:13:20.9733333+00:00
Shyam Butani
400
Reputation points