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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TurboTax 2009 can fail to install because it thinks the .NET Framework is not installed, even when it is

I’ve heard from a few customers over the past few days who have had trouble installing the new 2009 version of TurboTax.  In the cases I’ve heard about so far, the installer for TurboTax reports that the .NET Framework 3.5 SP1 is not correctly installed and instructs the user to re-install it.  Unfortunately, attempts to…

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Suggestions for resolving installation errors for .NET Framework security update MS09-061

I have heard from several people over the past week or so who have had problems getting the recently released .NET Framework security update (MS09-061) to install correctly on their system when it is offered to them by Windows Update or Microsoft Update.  This blog post will describe what this type of failure typically looks…

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Diagnosing and resolving 1935 errors for Win32 assemblies that occur on Windows Vista and later

Introduction 1935 errors can occur during an MSI-based installation while installing .NET assemblies or Win32 assemblies.  Most of the workarounds that can be found on blogs and forums (including all of the information in my 1935 error troubleshooting guide) only apply to 1935 errors that happen while installing .NET assemblies. This blog post will explain…

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Installing .NET Framework 3.5 SP1 can succeed in cases where the .NET Framework 3.0 or 3.5 fail

I previously posted a couple of items about how to troubleshoot and work around issues in .NET Framework 3.0 and .NET Framework 3.5 setup that can be caused by failures in the ServiceModelReg.exe custom action: How to use setup log files to diagnose .NET Framework 3.0 and 3.5 setup failures related to ServiceModelReg.exe ServiceModelReg.exe failures…

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.NET Framework 3.0 and 3.5 ServiceModelReg.exe custom action failure related to files in the temporary directory

I have run into a few reports of .NET Framework 3.0 and 3.5 installation failures recently that have exhibited the same set of symptoms.  I wanted to describe this issue in more detail so that folks who have followed the steps in my previous post about diagnosing .NET Framework 3.0 and 3.5 installation failures related…

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