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Launching an interactive process from Windows Service in Windows Vista and later
The first thing you should do about it is that, don't do it. There are many limitations, bad implications and restrictions involved into it. In case, you are in a state that you cannot avoid launching...
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How to launch a process interactively from a Windows Service?
Launching an interactive process from a service used to be straight forward. You could either configure your service to be interactive or you could specify “Winsta0\\Default” as the desktop (in...
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RunAs Verb (Process.Start) doesn't work from a LocalSystem .NET Service
The Process.Start method in System.Diagnostics is equivalent to CreateProcess() in Win32. If you want to launch a process as a different user, in Win32 you either need to call CreateProcessAsUser,...
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How to launch a process as a different user without storing their credentials?
You may run into a situation where you need to create a token to be used at a later time since you can’t keep the credentials around in your application. The token representing the user is going to be...
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Job Object Insanity
Job Objects were introduced to Windows in Windows XP/Windows Server 2003 to allow an application to manage a group of processes.One of the limitations of Job Objects is that a process can only belong...
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What is up with "The application failed to initialize properly (0xc0000142)"...
You've probably seen this error before in Windows at one time or another. Somebody launched calc.exe and it failed to run. The error doesn't tell you much. It provides you an hex error and your only...
View ArticleVirtual Desktop Switching in Windows 10
Windows 10 introduces a new concept (for Windows anyway) called Virtual Desktops. Currently, the guidance for this on MSDN states: The user can group a collection of windows together to create a...
View ArticleFileSystemWatcher Fencing(Part 2)
This post is a follow up to the FileSystemWatcher Follies post. I received a lot of feedback that it would be useful to highlight what would be appropriate to guide against some of the pitfalls that...
View ArticleWindows Hotfixes for October 2015
Jeff here from the Windows SDK team. Here is the list of October 2015 Hotfixes [Drum roll, please…] KB3030736 “550 The process cannot access the file” error when you try to download a file in Windows...
View ArticleHotfixes for November 2015
Jeff here from the SDK team. Here are the hotfixes for November 2015. KB3040017 XPS driver is slower than GDI driver to print files in Windows KB3063109 Virtual machine crashes and WAL consistency...
View ArticleUsing SHA256 with the SignedXml Class
With the industry moving away from SHA1 including Microsoft (see...
View ArticleSHA-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 Server will no longer trust any code that is signed with a SHA-1 code signing certificate and that...
View ArticleHotfixes for December 2015
Jeff here, from the SDK team with the Holiday Hotfixes. Happy patching. KB2920591 High CPU usage and performance issues occur when access-based enumeration is enabled in Windows 7 Service Pack 1 or...
View ArticleWhy CryptCATAdminCalcHashFromFileHandle fails with a seemingly unexpected...
CryptCATAdminCalcHashFromFileHandle can fail when evaluating a file path to an executable while setting the last error code to 0x800700c1. It’s an HRESULT instead of just an error code, but the...
View ArticleHotfix for January 2016
Jeff here from the SDK team. This month there is only 1 public hotfix because of the holidays. 3047331 “0x00000050″ Stop error on a failover cluster that is running Windows Server 2012 R2 or...
View ArticleHotfix List for February 2016
Hi guys, Jeff here from the Windows SDK team. Here are the Windows hotfixes for February 2016. KB3007507 “HTTP Error 500.19″ error when you browse an IIS 8.5 website in Windows KB3090343 Cluster...
View ArticleWhy does SqlDataReader behave differently with Set-PSDebug enabled?
We recently had someone ask why their PowerShell script stopped working correctly when they enabled tracing with the command Set-PSDebug -Trace 2. The part of the code in question that didn’t work...
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Visual Studio Team Services and Personal Microsoft Accounts
Visual Studio Team Services and Personal Microsoft Accounts 10/5/2016 Update – Due to the unexpectedly high impact to many corporate VSTS accounts backed by Personal Microsoft accounts, VSTS accounts...
View ArticleWhy 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. Typically those are sufficient to allow a backup utility to restore data to even sensitive folders....
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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 software, there is a feature in the current Windows 10 Enterprise Insider Preview (as of 10.0.16253 - I...
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