This kind of issues mostly occur when the installation Tool, .Net Framework install doesn´t work correctly; of course there are other possibilities, but when this comes while you are trying to install something, it’s better to start testing .Net Frame.
In order to resolve the issue, please follow the steps below:
Step 1 – Run the Fix It utility
- Click in the link that appears bellow,
- Make sure to download the took in the Desktop (For easy localization)
- When the download is completed, close all windows and run the tool (Double click in the icon from the Desktop)
- Follow the instructions given by the Tool
- When all the process has been completed, restart the PC
Note – For more information related with the error 80070643, please click on the link bellow