Archive | Windows Internals

UWP Universal Windows Platform

Universal Windows App Data Storage for Admins

Universal Windows Platform (UWP) is the current name for a new type of application platform originally introduced with Windows 8 as “Metro” and later renamed to “Modern”. UWP apps can run on desktop, phone and console versions of Windows. They may only use a subset of the Windows API and run in a sandboxed environment. […]

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Application launch - no folder redirection vs. FR to file server with 100 percent CPU vs. redirection to W2k3

Measuring the Impact of Folder Redirection – Application Launch & SMB Version

This is the fifth in a series of articles on folder redirection by Aaron Parker, Helge Klein and Shawn Bass. Part one: How Folder Redirection Impacts UX & Breaks Applications Part two: Visualizing the Impact of Folder Redirection – Logon and Application Launch Part three: Visualizing the Impact of Folder Redirection – Start Menu Search […]

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Offline Files Taskbar Notification Icon

Windows Offline Files Survival Guide

Windows Offline Files have a bad reputation. Many an administrator can tell a story where Offline Files caused issues that sometimes even required a reinstallation of the affected PC. But Microsoft has gradually improved the functionality and ironed out many of the bugs. Today – in Windows 7 SP1 with all post-SP1 fixes – Offline […]

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localhosttest_2012-02-02_16-59-12

Access Based Enumeration on Windows 7

Access Based Enumeration (ABE) is a well-hidden feature even in Windows Server, where it can be configured per share, but only in the Share and Storage Management MMC and not when right-clicking a folder in Explorer. Thanks to the shared code base ABE is available in Windows 7, too, although hidden even better. Let’s find […]

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Dissecting a Shortcut

Ever wondered about the layout of shortcut files? Those tiny little buggers with the extension LNK you have probably dozens of on your desktop? For years the format was subject to reverse engineering and speculation. Last year Microsoft finally released an official format specification, documenting this surprisingly complex format. This article is the result of […]

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App Paths Registry Key

How the App Paths Registry Key Makes Windows Both Faster and Safer

Why can you start Mozilla Firefox by typing “firefox” in the Run dialog and press enter? Firefox.exe is not located in any directory in the path. The same with Outlook (type “outlook”), PowerShell (“powershell”), VMware Workstation (“vmware”) or Adobe Reader (“acrord32”). This “magic application starting thingy” works because of a little-known Windows feature based on […]

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Active Setup Explained

Active Setup Explained

This is a summary of my experience with Active Setup combined with what I could find on the internet. The information applies to older and current versions of Windows, up to and including Windows 7, Windows 10, Server 2016, Server 2019. What is Active Setup and How Does it Work? Active Setup is a mechanism […]

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Registry Fun (Working With Hive Files)

Sometimes it is necessary to export/import data from or into the registry for some sort of additional processing. To this end, often regedit is used to create .REG files, which store a human-readable text interpretation of the registry content. .REG files can be edited easily with any capable text editor (even Notepad), and thus are […]

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