Fixing a .NET Framework 4.5.1 detection logic problem on Windows 8.1

Last week, I posted an updated version of the .NET Framework setup verification tool that supports verifying the .NET Framework 4.5.1. This past weekend, a customer reported a problem where the tool wasn’t correctly detecting that the .NET Framework 4.5.1 is installed on Windows 8.1. The .NET Framework 4.5.1 is installed as a part of…

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.NET Framework setup verification tool and cleanup tool now support .NET Framework 4.5.1

I have posted updated versions of the .NET Framework setup verification tool and the .NET Framework cleanup tool that support verifying and cleaning up the .NET Framework 4.5.1. You can find more information about how to download and use these tools at the following locations: .NET Framework setup verification tool user’s guide – http://blogs.msdn.com/b/astebner/archive/2008/10/13/8999004.aspx .NET…

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Updated sample .NET Framework detection code that works with the .NET Framework 4.5 and 4.5.1

Someone recently asked me about the availability of an updated version of my sample .NET Framework detection code that supports the .NET Framework 4.5.  I could’ve sworn I had already updated that sample code to detect the .NET Framework 4.5, but when I looked back in my archive, it turns out I only updated the…

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Mailbag: Does my application need to install the .NET Framework 4 on Windows 8 or Windows Server 2012?

Question: I have an application that requires the .NET Framework 4. The application supports running on Windows 8 and Windows Server 2012, which both include the .NET Framework 4.5 as a part of the operating system. Does my application installer still need to install the .NET Framework 4 on these operating systems even though the…

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Cannot install .NET Framework 1.0 service packs if .NET Framework 4 or 4.5 is installed

There are some known compatibility issues between .NET Framework 4 and 4.5 setup and .NET Framework 1.0 setup.  As a result, installing the .NET Framework 4 or 4.5 will set a registry key that prevents .NET Framework 1.0 setup from running afterwards.  That means that if you need to install both the .NET Framework 1.0…

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System Update Readiness Tool is included as a part of Windows 8 and Windows Server 2012

Recently, while investigating an issue related to a .NET Framework hotfix installation problem, I reviewed the contents of the System Update Readiness Tool knowledge base article.  I noticed that the contents have been updated since the release of Windows 8.  Instead of needing to download and run a separate tool, the diagnostic and repair functionality…

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More information about the versions of the .NET Framework that ship with Windows 8

Since the release of Windows 8 last fall, I’ve gotten a few questions about what versions of the .NET Framework ship with Windows 8 and how to install, uninstall and repair them.  Most of this information is documented in other places, but I wanted to put together a brief summary and post some links to…

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Windows Phone SDK update for Windows Phone 7.8 is now available for download

As announced earlier today on the Windows Phone Developer Blog, the Windows Phone SDK update for Windows Phone 7.8 has been released. The Windows Phone SDK update for Windows Phone 7.8 is a patch and not a standalone product, so you must install the Windows Phone SDK 7.1 or the Windows Phone SDK 8.0 before…

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