Windows 10: Fix error 0x80070666 when installing Microsoft Visual C++

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You may encounter Error 0x80070666 when installing Microsoft Visual C++ redistributable package on your Windows 11 or Windows 10 computer. In this post, we will identify the potential causes, as well as provide the most adequate solutions affected PC users can apply to fix the error on their system. When you encounter this issue, you’ll […]

This article Fix error 0x80070666 when installing Microsoft Visual C++ first appeared on TheWindowsClub.com.

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Microsoft Visual C++ error

Hi Rajeev,

The error code 0x80070666 occurs when you cannot install a newer version of the product. To resolve this issue, we recommend following the steps provided below:

• Type Control Panel on the search bar and press Enter.
  
• Select Programs and Features and uninstall all the Visual C++ Redistribute items.
• Run Fix it tool to fix problems that block programs from being installed or removed.
• Check for the latest update on your Windows and install the latest patch.
• Reboot your device.
• Download C++ again.

Please let us know the outcome. We will be glad to assist you.

 

Microsoft Visual 2017 C++ msi wont install.

Hi,

Software conflicts are one of the possible reasons why this issue is happening. Based on the error message you provided, an older version of Microsoft Visual C++ 2017 is blocking the installation. We suggest uninstalling Microsoft Visual C++ 2017 from the control
panel before trying to install the new MS Visual 2017. Follow the steps below:

• Open Control Panel.
  
• Click Programs, then click Programs and Features.
  
• Locate Microsoft Visual 2017 C++, then click Uninstall.
  

After uninstalling the program, try to install Microsoft Visual 2017 C++ again.

Get back to us with the outcome so we can help you further.

 

Microsoft Visual C++ 2015 Redistributable Setup Failed error 0x80070666

Hi Ritapinho,

We have found a thread that is similar to your concern. You can visit this thread: Visual
C++ 2015 Redistributable Setup Failed 0x80070666 (x64 & x86) from our
MSDN forums to see if this can help you resolve your issue with installing this app. Look for the reply of our moderator
宝宝徐 (MSFT CSG).



If you need more help, you can contact us again.