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Microsoft .NET Framework 3.0: x86 (KB928416) fails to install

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If your having problems with Microsoft .NET Framework 3.0: x86 (KB928416) failing to install via Windows Update, you can rest assured that your not alone. It is common to see Error code 0×643 for the KB928416 update problem in your update history. In the following simple solution, I will show you how to overcome this Windows update issue and finally get .NET Framework 3.0 properly installed.

Microsoft .NET Framework 3 installation failed

Error code 0x643

Fixing the Microsoft .NET Framework 3.0 update failure:

  1. Download the Microsoft .NET Framework 3.0 Redistributable Package
  2. Once you have finished downloading the dotnetfx3setup.exe, continue with the installation

.NET Framework 3.0 should now be installed on your PC. I would recommend you proceed to run Windows Update again to install the Service Pack 1 fix for .NET Framework 3.0.