Managing the Windows 7 Program Compatibility Assistant (PCA)

I wanted to document a bit of detail about managing the Program Compatibility Assistant, a bit of technology we added for Windows Vista and have been enhancing since that time – I figured it was probably time that we came out with an update for Windows 7. What motivated this was a series of conversations…

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App Compat Sessions at TechEd Australia 2011

For those of you attending TechEd Australia, if you are interested in application compatibility, there are two sessions you won’t want to miss tomorrow (September 1, 2011): Troubleshooting Application Compatibility Issues with Windows Internet Explorer 9 When your website doesn’t work with a new browser, what do you do? In this demo-heavy session we explore…

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Windows 7 Application Compatibility List FAQ

Last week, we updated the Windows 7 Application Compatibility List for IT Professionals on our download site. It has been a while since we have done this (April, I believe) and I know a lot of people were looking for an update. The newest iteration includes data from 17 markets, and being more global was…

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Why is the Size Column in Add/Remove Programs No Longer Populated in Windows 7?

A customer came to me with a question: they no longer saw the “Size” column in the Programs and Features list (where you go to modify or uninstall software) on Windows 7 when the installer was not an MSI. Here’s the story: we used to run some heuristics, as described here: http://blogs.msdn.com/b/oldnewthing/archive/2004/07/09/178342.aspx However, if you…

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The App Compat Guy on Bytes by TechNet

At TechEd North America a few weeks ago, I had a chance to sit down with Keith Combs and talk about the current state of app compat. You can check out the video on Bytes by TechNet: http://technet.microsoft.com/en-us/ff819024.aspx.

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When Will the Windows 7 Application Compatibility List Be Updated Again?

A while back, I had mentioned that we intend to update the Windows 7 Application Compatibility List around once every two weeks or so, at least while we were still ramping up and there were plenty of gaps to fill. For those of you just joining us – we keep a list of vendor-supported applications…

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Is UAC Virtualization Enabled for Internet Explorer in Protected Mode?

I’ve been spending a lot of time “getting to know” Internet Explorer lately, and one topic that I wanted to understand a bit more deeply is precisely how file and registry virtualization in protected mode works. If you look at the outcome of virtualization events, here is what you see:   Protected Mode On Protected…

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Which Versions of Java are Supported on Windows 7?

Just to save you a search and a few clicks (and to save me time later), here are the versions of Java which support Windows 7: 1.4: >= 1.4.2_23 1.5: >= 1.5.0_21 1.6: >= 1.6.0_14 If you have an application which comes with its own JVM, you should check to see if it’s currently enough…

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