How to fix .NET Framework installation error 0x800c0006 in Windows?

Issue: Hello. I tried installing a newer .NET Framework version but the installation failed with error code 0x800c0006. Is there any way to fix this?

Solved Answer

One of the frequent problems that people run into while trying to install the .NET Framework 4 on a Windows PC is error number 0x800c0006. Microsoft's .NET Framework is an essential software framework that offers a runtime environment for creating and running a variety of applications. Users may experience irritation when this installation issue arises because it may make it more difficult for them to use programs that depend on this framework.

This error typically manifests with a warning message that reads: “Installation Did Not Succeed. .NET Framework 4 has not been installed because: Download failed with error code 0x800c0006.” Essentially, it indicates that the installation process failed due to problems related to downloading the necessary files for the .NET Framework.

The effects of this problem on users may be severe. Users might not be able to execute a number of software programs, including games, office software, and specific system utilities, without a functioning .NET Framework. This can make it difficult to access necessary tools, impede productivity, and cause annoyance while attempting to use applications that use the .NET Framework.

The resolution of problem code 0x800c0006 necessitates considerable investigation. Specific repairs can vary based on the root reasons of the problem, but some solutions include verifying and modifying network settings, making sure that Windows Update is functioning properly, or even manually downloading and updating the .NET Framework components.

In this guide, you will find 5 steps that should help you fix .NET Framework installation error 0x800c0006 in Windows. You can also try running a maintenance tool like FortectMac Washing Machine X9 that can fix most system errors, BSODs,[1] corrupted files, registry[2] issues, or clear cookies and cache.[3] Otherwise, follow the step-by-step instructions below.

How to fix NET Framework installation error 0x800c0006 in Windows

Method 1. Check Internet Connection

  • Close the .NET Framework installation window.
  • Disconnect your computer from a Wi-Fi network and turn off your router. If you are using an Ethernet cable, unplug it from your device.
  • Wait for several minutes, turn on your router, and connect your computer to the Wi-Fi network. For an Ethernet user, plug in the Ethernet cable to your system.
  • Now, run the .NET Framework 4 (Web Installer) and continue to start the installation process again.

Method 2. Download Offline Installer

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Download Offline Installer

  • Once downloaded, locate the dotNetFx40_Full_x86_x64 file, double-click it, and then follow the on-screen instructions.
  • Restart your computer and save any changes made during the installation process.

Method 3. Unblock the Installer

  • Find the location of the installer file, then right-click on it and select Properties.
  • Within the General tab, ensure the Unblock option is checked.
  • Click Apply and then OK to save the changes. Once the installer file is unblocked, execute it on your computer, and the .NET Framework 4 will be installed on your system.

Method 4. Enable All the .NET Framework Options

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  • Press the Windows key + R to open the Run dialog box.
  • Type optionalfeatures and press Enter to open Windows Features.
  • Check .NET Framework 3.5 (includes .NET 2.0 and 3.0) and click OK to save the changes.
  • Restart your computer to check if the .NET Framework error 0x800c0006 still persists.

Enable All the NET Framework Options

Method 5. Reset Windows Update Components

  • Launch Command Prompt with administrative privileges.
  • In the command window, input the following commands to halt certain services required for Windows Update. Remember to press Enter after each one:

Reset Windows Update Components

net stop wuauserv

net stop bits

net stop appidsvc

net stop cryptsvc

  • Execute the following command to remove the existing update files:

del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat”

  • Restart the Windows Update services by running the commands below:

net start wuauserv

net start cryptsvc

net start appidsvc

net start bits

  • Perform a Winsock reset with the command:

netsh winsock reset

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About the author
Ugnius Kiguolis
Ugnius Kiguolis - The problem solver

Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.

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