ITaskFolder::SetSecurityDescriptor — supported COM flags and exact SDDL preservation
Please clarify the supported Windows Task Scheduler folder-security API contract. Environment: local Task Scheduler COM API, elevated Windows PowerShell 5.1.26100.9711. Windows edition and OS build have not been independently verified in the retained…
Windows development | Windows API - Win32
Why are my emails to hotmail addresses being rejected suddenly?
Hi I run a business and we have suddenly started getting any email address for hotmail being rejected. We have updated the DMARC recently, and I'm almost certain we have the SPF and DKIM records too as I needed to update things about 2 months ago. …
Outlook | Web | Outlook.com | Email
Sending, receiving, and organizing email in Outlook.com
Word objective is to move Racebase to top of the page
Hello From I have text "Racebase" I need to go to the top of same page please, using vba. Racebase is halfway down the page.
Microsoft 365 and Office | Word | For home | Windows
A family of Microsoft word processing software products for creating web, email, and print documents.
CFAPI: CfCreatePlaceholders returns S_OK but creates corrupt placeholders (error 363)
Summary CfCreatePlaceholders can return S_OK, report all entries as processed, and set every per-item Result to S_OK while creating a placeholder that cannot subsequently be opened. CreateFileW then fails with ERROR_CLOUD_FILE_METADATA_CORRUPT (363 /…
Windows development | Windows API - Win32
Supported user-mode NTFS directory flush and durability of newly published name bindings
Subject: Supported user-mode NTFS directory flush and durability of newly published name bindings We are evaluating the durability requirements of a local Windows application running as a standard, non-administrative user on NTFS. The application…
Windows development | Windows API - Win32
Supported non-administrative NTFS namespace durability after file replacement and directory creation
Supported non-administrative NTFS namespace durability after file replacement and directory creation Technical clarification request — Windows Filesystem / NTFS Dear Microsoft Windows Filesystem Engineering Team, We are developing a local, offline…
Windows development | Windows API - Win32
SignTool in SDK BuildTools 10.0.28000.2957: cache-only verification and result evidence
Please identify existing, version-applicable documentation or an independently reviewed implementation record for SignTool distributed through Microsoft.Windows.SDK.BuildTools 10.0.28000.2957. We need clarification on two points before recommending…
Windows development | Windows API - Win32
Microsoft Software KSP: exact CNG signing ACE masks and protected DACL enforcement
We need provider-specific technical clarification for the Microsoft Software Key Storage Provider (Software KSP) regarding access control on persisted CNG signing keys. Scenario We intend to provision two separate LocalMachine ECDSA P-256 signing keys,…
Windows development | Windows API - Win32
How can a reproducible Windows Shell32 environment-regeneration defect be escalated to Windows engineering?
I have investigated a reproducible Windows 11 environment-regeneration defect and would like to know the appropriate way to escalate the findings to the Windows Shell engineering team. Problem summary When the expected combined Machine PATH and User PATH…
Windows development | Windows API - Win32
Emails are not coming through to me
Emails are not coming through to me from trusted senders. They are people who have emailed me from their same address for a long time. Now all of the sudden, their emails to me are not going through. I have a HOTMAIL address. They are getting…
Outlook | Web | Outlook.com | Email
Sending, receiving, and organizing email in Outlook.com
Is NtCreateFile with RootDirectory race-safe against concurrent NTFS directory replacement?
We are developing a Windows backup application and need clarification regarding the supported security guarantees of directory-relative file opening on local NTFS volumes. Problem reproduced Our current implementation validates the source directory…
Windows development | Windows API - Win32
Visual Basic syntax question
Using Visual Basic programming language, how do I determine the row and column numbers of the active cell?
Developer technologies | Visual Basic for Applications
An implementation of Visual Basic that is built into Microsoft products.
SetFileInformationByHandle FileRenameInfo returns WinError 87 for same-parent rename
I'm investigating a Windows Win32 file-rename operation using Python 3.13 ctypes. SetFileInformationByHandle with FileRenameInfo (class 3) returns 0, with immediate cached Windows error 87 (ERROR_INVALID_PARAMETER). The goal is to rename an inert…
Windows development | Windows API - Win32
How do I fix the error code 1714?
I tried to fix this Visual Studio error by deleting the components I thought were corrupted. But it didn't fix the error. I'm trying to install Visual Studio Community 2026 | Desktop development with C++
Developer technologies | Visual Studio | Setup
The process of installing, configuring, and customizing Visual Studio to support development workflows across languages, platforms, and workloads.
how to fix RTKVHD64.sys incompatabilty
RTKVHD64.sys is intefering with turning on my memory integrity..I have tried chkdisk,,sfc scan,system restore,autorun and 2 different driver boosters with no luck
Windows for home | Other | Security and privacy
Need a POST request and GET request to help sign in M365 on my mobile phone
I signed in M365 on my mobile & tried to download the app but it said having trouble signing in and got this message AADSTS900561: the endpoint only accepts POST requests. Received a GET request. What to do?
Microsoft 365 and Office | Install, redeem, activate | For business | Other
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
sending bulk emails
what is the maximum number of recipients for an emails i can send to on my email account?
Outlook | Web | Outlook.com | Email
Sending, receiving, and organizing email in Outlook.com
How to print screen or screenshot on my HP OmniBook 3 Laptop
There isn't a printscreen button on my laptop and the Fn + Windows Logo + space bar isn't taking a screenshot or printing the open screen.
Windows for home | Windows 10 | Devices and drivers
UserConsentVerifier desktop interop returns E_NOINTERFACE on Windows build 26300.9711
[[[factory-probe-mta.txt](/api/attachments/0e751236-3d2b-4df0-a64c-107256183c15?platform=QnA)](/api/attachments/1654b70d-7025-4595-8b5d-071a870088aa?platform=QnA)](/api/attachments/189aaf3d-706a-438f-96bf-ab6d1fd0cf83?platform=QnA)# Windows SDK support…
Windows development | Windows API - Win32
Permissions needed for WriteProcessMemory appear to be inaccurately documented
The documentation for the WriteProcessMemory function states that the process handle passed to the function "must have PROCESS_VM_WRITE and PROCESS_VM_OPERATION access to the process." This appears to be inaccurate as a handle obtained without…