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The error code 0x80070666 occurs when you cannot install a newer version of the product.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.