Troubleshoot .NET Framework Installation Issues on Windows

In this article, I’ll try to give you some common troubleshooting tips to resolve .NET Framework installation issues on your Windows 10/8/7 computer. The Microsoft .NET Framework is a software framework that can be installed on computers running Microsoft Windows operating systems. It includes a large library of coded solutions to common programming problems and a virtual machine that manages the execution of programs written specifically for the framework.

ms dot net

Cannot install .NET Framework

If Cannot install .NET Framework is not installing on your Windows 10/8/7 computer, here are a few things you could take a look at:

  1. Run the System Update Readiness Tool
  2. MSI software update registration corruption issues
  3. Repair existing version of .NET Frameworks
  4. Run .NET Cleanup Tool for .NET Frameworks.

Let us see these suggestions in detail.

1] Run the System Update Readiness Tool:

The System Update Readiness Tool would check System resources, such as file data, registry data, and even in-memory data, can develop inconsistencies during the lifetime of the operating system would try to resolve it.

2] MSI software update registration corruption issues:

Sometimes the software update registration might causes issues in applying updates from Windows Update. Microsoft has a Microsoft Fixit tool that would resolve such issues.

3] Repair the existing version of .NET Frameworks:

Windows OS comes with .NET Frameworks pre-installed. Sometime that version might have corrupted. So what we could do is to reinstall .NET through Programs and Features and run SFC /SCANNOW command to scan the integrity of all protected Windows system files.

  • Click on Start and under search type in appwiz.cpl
  • Then click on Turn Windows Feature On or Off
  • Uncheck on .NET Frameworks and click OK
  • Restart your System
  • Now click on Start and under search type in CMD
  • Right Click on CMD and Run as administrator
  • Next type in SFC /SCANNOW
  • Click on Start and under search type in appwiz.cpl
  • Then click on Turn Windows Feature On or Off
  • Check on .NET Frameworks and click OK
  • Then test it and see if that works.

4] Run .NET Cleanup Tool for .NET Frameworks 4.0:

Sometimes the failed install of .NET Frameworks might have some left-over files. So by running this tool, we can make sure that all left-over files will be removed.

If these steps fail please see if any of these links are of assistance:

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Shyam aka “Captain Jack” is a Microsoft MVP alumnus and a Windows Enthusiast with an interest in Advanced Windows troubleshooting. Suggestions made and opinions expressed by him here are his personal one's and not of his current employers. He blogs at captaindbg.com.