86 questions
1 answer
ObservableCollection does not work for Microsoft Store version while working for debug version
The following code is solely for debugging. Xaml: <ListView x:Name="listViewTest"/> C#: var folders = new ObservableCollection<string> { "OBS 1", …
Windows development | WinUI
![](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, 0%, 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)
1 answer
GetTokenInformation(TokenHasRestrictions=21) returns ReturnLength=1 despite DWORD documentation
Subject: GetTokenInformation(TokenHasRestrictions=21) returns ReturnLength=1 despite DWORD documentation Hello Microsoft Support, We are requesting clarification regarding the documented contract for GetTokenInformation with TOKEN_INFORMATION_CLASS =…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-11T09:20:56.7333333+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(108.80000000000001, 91%, 20%)' 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)
靖智 蘇
0
Reputation points
answered
2026-09-11T09:50:43.7333333+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(166.4, 18%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETL%3C/text%3E%3C/svg%3E)
Taki Ly (WICLOUD CORPORATION)
4,440
Reputation points Microsoft External Staff
Moderator
1 answer
Supported private-registry reference for an unchanged zero-capability LPAC caller
This is a documentation question about a proposed Windows desktop containment design. No deployed configuration or runtime behavior is asserted. Does Microsoft support GetAppContainerRegistryLocation obtaining the caller's exact private registry root…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-11T04:05:26.2333333+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, 61%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESW%3C/text%3E%3C/svg%3E)
Spencer Wagemann
0
Reputation points
edited an answer
2026-09-11T09:06:17.93+00:00
Taki Ly (WICLOUD CORPORATION)
4,440
Reputation points Microsoft External Staff
Moderator
1 answer
conhost.exe command line changes from "0xffffffff -ForceV1" to "0x4" in the same process
I am implementing read-only process monitoring on Windows. Microsoft consumer support referred me to Microsoft Q&A for clarification of this Windows API behavior. I observed a change in the command line returned for the same conhost.exe process,…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-11T05:29:05.5133333+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(96, 30%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKT%3C/text%3E%3C/svg%3E)
Kohei Tagami
0
Reputation points
commented
2026-09-11T08:13:50.38+00:00
RLWA32
52,816
Reputation points
0 answers
Malfunction custom keyboard DLL & Windows Search
Hello, I built a keyboard driver using Visual Studio and the official Windows driver samples. The DLL works perfectly regarding the keyboard and its behavior. The problem is that when this keyboard is selected alone, Windows Search malfunctions and…
Windows development | Windows Driver Kit (WDK)
397 questions
asked
2026-09-11T07:55:38.62+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(150.4, 45%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFO%3C/text%3E%3C/svg%3E)
François T
20
Reputation points
asked
2026-09-11T07:55:38.62+00:00
François T
20
Reputation points
1 answer
WinUI 3 app UI is displayed incorrectly in kiosk mode after the Win 11 update.
we have a WinUI 3 application that runs in kiosk mode (implemented using shell launcher V2). We found that when the app runs in kiosk mode on Win11 OS build (26100.8875), the app UI is displayed incorrectly, such as the small warning widow and welcome…
Windows development | WinUI
86 questions
asked
2026-09-11T00:58:15.2766667+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(83.2, 36%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
Liang, Ming
101
Reputation points
answered
2026-09-11T05:58:50.33+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(227.2, 52%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGL%3C/text%3E%3C/svg%3E)
Gatlin Le (WICLOUD CORPORATION)
160
Reputation points Microsoft External Staff
Moderator
1 answer
WebAuthNPluginPerformUserVerification2: binding between pwszDisplayHint, pbBufferToSign, and returned response
We are evaluating WebAuthNPluginPerformUserVerification2 / WEBAUTHN_PLUGIN_USER_VERIFICATION_REQUEST_2 for a high-assurance human transaction-confirmation workflow. The current Microsoft documentation states that: pwszDisplayHint is the text hint…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-04T04:47:26.65+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(243.2, 22%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENN%3C/text%3E%3C/svg%3E)
Nguyễn Văn Toàn
0
Reputation points
commented
2026-09-11T03:16:22.86+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(259.20000000000005, 59%, 35%)' 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)
Tony Thach (WICLOUD CORPORATION)
1,120
Reputation points Microsoft External Staff
Moderator
1 answer
Correct GENERIC_MAPPING for process and thread objects in AccessCheck
I am designing a native x64 C diagnostic tool and would like to clarify the supported use of GENERIC_MAPPING with AccessCheck for process and thread objects. Planned environment: - Windows 11 Pro 25H2 x64, build 26200.9168 - Windows SDK…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-08T00:10:38.1266667+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(198.4, 19%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYW%3C/text%3E%3C/svg%3E)
yohei watanabe
0
Reputation points
commented
2026-09-11T02:32:09.4133333+00:00
Taki Ly (WICLOUD CORPORATION)
4,440
Reputation points Microsoft External Staff
Moderator
1 answer
Does FILE_LINK_POSIX_SEMANTICS allow replacing an existing destination opened without FILE_SHARE_DELETE?
Hello, I’m trying to clarify the documented Windows/NTFS semantics of POSIX-style hard-link destination replacement. Consider the following state: File A already exists at the destination path. A has an existing open handle. That handle allows…
Windows development | Windows Driver Kit (WDK)
397 questions
asked
2026-09-11T00:18:24.3666667+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(185.6, 87%, 27%)' 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)
希望 匿名
0
Reputation points
answered
2026-09-11T00:18:50.5433333+00:00
AI answer
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
1,020 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
1,020 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)
18,975
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
1,020 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' %3ES%3C/text%3E%3C/svg%3E)
2 answers
WinHTTP over an HTTPS forward proxy - CRL problem
Problem A native Windows client uses WinHTTP with a secure (HTTPS) forward proxy — i.e. the connection to the proxy is itself TLS, specified as a named proxy with an https:// scheme: https://mysecureproxy.duckdns.org:3129 The proxy presents a normal,…
Windows development | Windows API - Win32
3,018 questions
asked
2026-08-30T06:56:01.5466667+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(204.8, 78%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EI%3C/text%3E%3C/svg%3E)
Izaf
0
Reputation points
commented
2026-09-10T03:43:42.6433333+00:00
Taki Ly (WICLOUD CORPORATION)
4,440
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Can a USB diagnostic device launch an uninstalled app through AutoPlay?
I'm developing AEGIS, a legitimate USB-based PC diagnostic/repair tool. I want a technician to plug the USB into an arbitrary Windows 10/11 PC and receive a visible, user-consented prompt that launches the AEGIS application stored on the USB. The…
Windows development | Windows API - Win32
3,018 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(51.2, 1%, 14%)' 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)
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
1,020 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
1 answer
One of the answers was accepted by the question author.
Native TSF IME pure MSIX deployment
I am developing Myanglish, a native third-party Windows TSF IME. The classic Win32 installer works correctly: TSF profile registration succeeds TSF categories register successfully InstallLayoutOrTip succeeds Myanglish appears in Win+Space Typing…
Windows development | Windows API - Win32
3,018 questions
asked
2026-09-06T17:28:50.6133333+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(22.400000000000002, 47%, 12%)' 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)
Maung Kaung
30
Reputation points
commented
2026-09-08T09:53:19.7066667+00:00
Maung Kaung
30
Reputation points
0 answers
WPA Preview (11.10.71): Symbol Resolution is Broken (outside of MS)
It appears that symbol resolution is broken in WPA Preview (v11.10.71), though it might not be obvious from within MS. WPA does not download PDBs. [But if you already have SymCache files cached (or available via //symcache server) then symbols will…
Windows development | Windows Performance Toolkit
183 questions
asked
2026-09-08T05:41:41.1533333+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, 73%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER4%3C/text%3E%3C/svg%3E)
RaymondF-4923
0
Reputation points
asked
2026-09-08T05:41:41.1533333+00:00
RaymondF-4923
0
Reputation points
1 answer
Microsoft Encarta MIDIs
If anyone can help particular someone at Microsoft. For all the national anthem midis sequenced for Microsoft Encarta in all of its releases are the Midis Public domain and or free to use comercialy without royalties? I have seen lots of site…
Windows development | Internet Information Services
1,873 questions
asked
2026-09-06T16:11:24.9566667+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(28.799999999999997, 19%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECP%3C/text%3E%3C/svg%3E)
Codie Pereira
0
Reputation points
answered
2026-09-07T15:02:55.9966667+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(211.20000000000002, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com)
85,276
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
1,020 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
60
Reputation points
asked
2026-09-06T05:19:17.4433333+00:00
Andrew Dipuma
60
Reputation points
2 answers
My Microsoft feedback suggestions and or problems keep going missing without explanation and or solution?! Then sometimes partially and or wholly coming back later? Then going missing again?!
I need to go back and readd some information to the first draft where the "child" and or whomever the cleptomaniac with permissions to view my front end microsoft dashboard and remove and or hide or take microsoft feedback and I cannot view the…
Windows development | Internet Information Services
1,873 questions
asked
2026-09-02T12:58:07.9733333+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, 93%, 37%)' 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)
John Patrick Oldfield
0
Reputation points
answered
2026-09-05T13:45:11.32+00:00
John Patrick Oldfield
0
Reputation points