Windows SDK Support Team Blog
#define _WIN32_WINNT
OpenService() fails on a service marked for deletion on Windows 10, Version 1703 (OS build 15063)
OpenService() fails with error code 1060 or ERROR_SERVICE_DOES_NOT_EXIST when a service is marked...
Author: Frank K [MSFT] Date: 08/24/2017
Leveraging Exploit Guard in Windows Insider Build to Easily Audit Your Code
If you are a software developer and are looking to improve upon the security compliance of your...
Author: Chris Lewis [MSFT] Date: 08/07/2017
Why can't I restore files even when I have backup/restore privileges enabled?
Backup and restore privileges allow some, but not all, types of access checks to be bypassed....
Author: Chris Lewis [MSFT] Date: 12/12/2016
Visual Studio Team Services and Personal Microsoft Accounts
Visual Studio Team Services and Personal Microsoft Accounts 10/5/2016 Update - Due to the...
Author: Jeff Lambert Date: 09/29/2016
Why does SqlDataReader behave differently with Set-PSDebug enabled?
We recently had someone ask why their PowerShell script stopped working correctly when they enabled...
Author: Chris Lewis [MSFT] Date: 09/27/2016
Hotfix List for February 2016
Hi guys, Jeff here from the Windows SDK team. Here are the Windows hotfixes for February 2016....
Author: Jeff Lambert Date: 02/10/2016
Hotfix for January 2016
Jeff here from the SDK team. This month there is only 1 public hotfix because of the holidays....
Author: Jeff Lambert Date: 01/13/2016
Why CryptCATAdminCalcHashFromFileHandle fails with a seemingly unexpected error code
CryptCATAdminCalcHashFromFileHandle can fail when evaluating a file path to an executable while...
Author: Chris Lewis [MSFT] Date: 01/05/2016
Hotfixes for December 2015
Jeff here, from the SDK team with the Holiday Hotfixes. Happy patching. KB2920591 High CPU usage and...
Author: Jeff Lambert Date: 12/09/2015
SHA-1 Code Signing Deprecation in Windows beginning January 1, 2016
This post is to help the product team spread the word on Windows (version 7 and higher) and Windows...
Author: Frank K [MSFT] Date: 11/20/2015
Using SHA256 with the SignedXml Class
With the industry moving away from SHA1 including Microsoft (see...
Author: Carlos Lopez - MSFT Date: 11/14/2015
Hotfixes for November 2015
Jeff here from the SDK team. Here are the hotfixes for November 2015. KB3040017 XPS driver is slower...
Author: Jeff Lambert Date: 11/11/2015
Windows Hotfixes for October 2015
Jeff here from the Windows SDK team. Here is the list of October 2015 Hotfixes [Drum roll,...
Author: Jeff Lambert Date: 10/14/2015
Virtual Desktop Switching in Windows 10
Windows 10 introduces a new concept (for Windows anyway) called Virtual Desktops. ...
Author: Chris Lewis [MSFT] Date: 09/10/2015
Windows Hotfix List for September 2015
Jeff here from the SDK team. It is that time of the month again, here are September’s...
Author: Jeff Lambert Date: 09/09/2015
Logon as a user without a password
In Windows, it is possible to logon as a different domain user without any credentials. This is...
Author: Frank K [MSFT] Date: 08/28/2015
LogonUser + LOGON32_LOGON_NEW_CREDENTIALS, What is this flag used for?
A new flag was introduced in Windows VISTA for LogonUser(), LOGON32_LOGON_NEW_CREDENTIALS....
Author: Frank K [MSFT] Date: 08/25/2015
.NET Hotfix Rollup for August 2015
Jeff here, There is a .NET hotfix rollup for August. 3078646 Issues that this hotfix rollup resolves...
Author: Jeff Lambert Date: 08/13/2015
Windows August 2015 Hotfix List
Hey guys. Jeff here from the Windows SDK team. Here are this month’s hotfixes. KB2966038...
Author: Jeff Lambert Date: 08/12/2015
Hotfixes and Patches for Windows for July 2015
Hey SDK friends, Jeff here with the July 2015 Hotfix List 3070714 "0x000000B8" Stop error during...
Author: Jeff Lambert Date: 07/15/2015
.NET Hotfix Rollups for June
Jeff here from the Windows SDK Team. Just a quick blog with a few .NET Hotfix rollup articles today....
Author: Jeff Lambert Date: 06/25/2015
The Real Hotfix List of June 2015
Hey guys, Jeff here from the Windows SDK team. It is June and school’s out for the year and to...
Author: Jeff Lambert Date: 06/11/2015
FileSystemWatcher Fencing(Part 1)
This post is a follow up to the FileSystemWatcher Follies post. I received a lot of...
Author: Chris Lewis [MSFT] Date: 06/04/2015
What is up with "The application failed to initialize properly (0xc0000142)" error?
You've probably seen this error before in Windows at one time or another. Somebody launched calc.exe...
Author: Frank K [MSFT] Date: 06/03/2015
Winsock’s Listen() Backlog Offers More Flexibility In Windows 8+
Jeff here from the SDK team. A customer was writing a high performance computing type application...
Author: Jeff Lambert Date: 06/01/2015
Printing successfully using impersonation from a 32-bit application on a 64-bit system
There is a known limitation with Windows x64 systems where 32-bit processes fail to print from a...
Author: Isamu Shimada [MSFT] Date: 05/19/2015
FileSystemWatcher Follies
System.IO.FileSystemWatcher is a handy class that can be used to monitor directories for some...
Author: Chris Lewis [MSFT] Date: 05/19/2015
How to obtain the list of visible columns in a shell view
I was recently looking into how to obtain the list of columns displayed in the shell view for a...
Author: Dave Anderson-MSFT Date: 05/18/2015
Hotfix Releases for Windows: May 2015
Here are the Windows hotfix releases for May 2015 KB3042839 Mstscax.dll file leaks handles on a...
Author: Nathan Manis Date: 05/14/2015
Windows Hotfix List for April 2015
Jeff here, from the SDK team with the better late than never edition of the April 2015 Windows...
Author: Jeff Lambert Date: 04/21/2015
Troubleshooting "Access Denied" errors
Anyone who has used Windows has encountered the dreaded "Access Denied" error. (AKA error code 5 or...
Author: Frank K [MSFT] Date: 03/24/2015
How to register for File Dialog notifications from Shell namespace extension
If you are implementing a shell namespace extension and want to know when a file system item in your...
Author: Isamu Shimada [MSFT] Date: 03/24/2015
Accidental Denial of Service through Inefficient Program Design Part 2 – Incorrectly Implementing Interfaces
There are few things that are more annoying as a user than to have the performance of a...
Author: Chris Lewis [MSFT] Date: 03/17/2015
Hotfix Releases for Windows: March 2015
Here are the Windows hotfix releases for March 2015 KB2688074 An...
Author: Nathan Manis Date: 03/12/2015
An OPAQUEKEYBLOB exported via CryptExportKey on Windows 7 is incompatible with Windows 8.1
I recently ran into a customer having decryption problems on Windows 8.1. The data was encrypted...
Author: Carlos Lopez - MSFT Date: 03/08/2015
Accidental Denial of Service through Inefficient Program Design Part 1 – Watching WMI Events for Object Creation (e.g. Win32_Process)
There are few things that are more annoying as a user than to have the performance of a...
Author: Chris Lewis [MSFT] Date: 02/16/2015
Hotfixes for February 2015
Here are the Windows hotfixes for February 2015. 3031420 "100060" time-out...
Author: Jeff Lambert Date: 02/11/2015
Reducing the time to perform a CRL check on isolated networks
Hi everyone, Writing today to pass along a solution to reduce the time for...
Author: Nathan Manis Date: 02/10/2015
C# and Fastcall - How to make them work together without C++/CLI (Shellcode!)
I recently ran into a situation where code had to meet the following requirements: C# language only...
Author: Chris Lewis [MSFT] Date: 02/09/2015
Hotfix List for January 2015 [Short]
Jeff here from the SDK team. This month has a very short list. 3009980 Computer freezes when the...
Author: Jeff Lambert Date: 01/14/2015
WLAN Programming How-To Tips and Tricks Including Using It in C#
Questions concerning the wireless local area network APIs have been coming up a lot recently often...
Author: Chris Lewis [MSFT] Date: 01/09/2015
RDP and CredMan
One common question asked by our customer is how to programmatically store credentials for...
Author: Frank K [MSFT] Date: 01/02/2015
Using multiple monitors programmatically from an RDP Active X control.
In Windows VISTA, Span mode was introduced. This allowed a Remote Desktop session to span across all...
Author: Frank K [MSFT] Date: 12/31/2014
DNSQuery() Sample To Loop Through Multiple IP Addresses
Jeff from the Windows SDK team here. I had a customer that wanted to just find the IP address that...
Author: Jeff Lambert Date: 12/17/2014
Example impact of Microsoft Accounts on Windows APIs in Windows 8/8.1
Windows 8 introduced the ability for a user to logon to their desktop with their Microsoft Account....
Author: Frank K [MSFT] Date: 12/12/2014
Hotfix List For December 2014 [Not 2015]
Jeff here from the SDK team. Here is a list of this month’s hotfixes, the Yuletide edition....
Author: Jeff Lambert Date: 12/10/2014
How to get notified when going in and out of connected standby from a Windows Service?
Always on Connected Standby (AOAC) was introduced in Windows 8. Here is the definition as described...
Author: Frank K [MSFT] Date: 12/02/2014
The mysteries of WindowsPrincipal.IsInRole
WindowsPrincipal.IsInRole method is defined as the following in MSDN...
Author: Frank K [MSFT] Date: 12/01/2014