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  • Chris Jackson is an Architect and the Technical Lead for the Windows Application Experience SWAT Team.

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Windows 7 Application Compatibility List for IT Professionals
It’s finally here! We released the Windows 7 Compatibility Center a few weeks ago. This lets you look up one application at a time. You can find that at http://windows.com/compatibility . Today, we have a downloadable list indicating vendor support. If Read More...
How to Remove the RC Designation from the Windows 7 Reports in ACT 5.5
We shipped ACT 5.5 back in April 2009, several months before we shipped Windows 7. Helpfully (I guess) we decided to label it Windows 7 RC in the UI so you could specifically track your testing against the release candidate. We had the idea that we could Read More...
Carrying Custom Application Sound Events Between Sound Schemes in Windows 7
Today, I just might ruffle a few feathers by doing so, but I figured I’d go through and demonstrate the process of reversing some incompletely documented stuff in Windows in order to fix a problem that was causing me some personal pain. Specifically, Read More...
Windows 7 Compatibility Center Live on the Web
Hooray – I can stop pasting this link into emails! The Windows 7 Compatibility Center is now live. Read More...
Using the uiAccess attribute of requestedExecutionLevel to Improve Applications Providing Remote Control of the Desktop
I’ve run into this exact same problem 3 times now in one week, so I figure that probably doesn’t bode well and I should attempt to do something about it. With 3 different pieces of software (one of them ours), the remote control functionality is imperfectly Read More...
Understanding the AdditiveRunAsHighest Flag on Windows 7
This post corrects an error from a previous post. Back when I was explaining the changes in the operating system layers for Windows 7 , I incorrectly described the AdditiveRunAsHighest. Since RunAsHighest is already confusing enough, and AdditiveRunAsHighest Read More...
The Curious Case of the Redundant UAC Policies
One of the unfortunate consequences of actually having to ship your software at some point is that you have to make some compromises along the way. The decisions you make can vary based on the time you are called upon to make them. As frustrating as that Read More...
Why You Shouldn’t Listen to Me, and Why You Should
Ah, Karma, you rise up at the least convenient times. (This blog post is not meant to imply a belief in preordained futures, divine intervention, or the existence of the Perfectly Normal Beast.) Yesterday, I had somebody ask me not to speak about something Read More...
Springboard Series Virtual Roundtable - Windows 7 Application Compatibility Part 2: Virtualization
Date:  Thursday, September 24 Time:  9:00am Pacific Time https://ms.istreamplanet.com/springboard The reviews on Windows 7 have been really great so far, but you obviously can’t start using it if, after installing it, all of the stuff you need Read More...
How to Run Applications Manifested as HighestAvailable With a Logon Script Without Elevation for Members of the Administrators Group
Updated 17-Sept-2009 My friend Aaron has been trying to post a comment with his recommendation. However, it never, never, ever shows up because apparently we either don’t buy good software for our blogging system, or else the software has a personal vendetta Read More...
FAQ: When is the Application Compatibility List (Currently Focused on Windows Vista) Going to be Updated for Windows 7?
There is a huge amount of excitement about Windows 7, and people are looking to get moving with app compat immediately so they can start deploying Windows 7 right away! In the enterprise, however, there are a number of risk mitigation strategies that Read More...
Debugging the Missing .NET Tab for Managed Applications in Process Explorer for Windows 7 x64
I was reading through some documentation on Sysinternals Process Explorer the other day, and one bit that caught my attention was some detail on the .NET tab. So, I pulled up my trusty managed StockViewer application, and went to go and look at that tab. Read More...
More Application Compatibility Resources for Windows 7
There are a number of efforts going on to help organize application compatibility for Windows 7, in or ongoing effort to improve in this space. Now, the technical information remains fairly stable, but there are a number of different ways to organize Read More...
Why Do Some Operating System Modes Include AdditiveRunAsHighest While Others Do Not?
A little while back, those of us who explain application compatibility for a living and try to help people get their arms around it ran up against those who implement it in the product on the scale of … the whole earth. Those of us who explain things Read More...
How to Get Free (as in Beer) Help with App Compat Problems for Windows 7
My job takes me around the world talking to both Developers and IT Professionals in order to resolve compatibility bugs with Windows 7 and Windows Vista. But you know what, I’m just one guy – so chances are I’m probably not going to have a chance to look Read More...
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