Hello Dear,
Thank you for your question and reaching out.
As per your Query,
The Error code 0x800704cf is mainly caused by incorrect settings of TCP/IP, malfunctioning network devices.
On the Start screen, type CMD. In the search results, right-click Command Prompt, and then select Run as administrator.
At the command prompt, enter the following command, and then press Enter: netsh int ip reset c:\resetlog.txt
Note If you don't want to specify a directory path for the log file, run the following command instead: netsh int ip reset
And then restart the pc
https://support.microsoft.com/en-us/topic/how-to-reset-tcp-ip-by-using-the-netshell-utility-d954430c-9b11-43f0-6081-0fc9235a8b4a
One more thing you will have to do is please
press Win+R keys to open the Run dialog.
2) Type “devmgmt.msc” in the dialog box and press Enter to open the Device Manager.
3) Locate Network adapters and expand it to see all the related drivers installed on your system.
4) Right-click on each item and select Uninstall device to delete all the adapters one by one.
Now restart your computer, and Windows will automatically reinstall the network adapters.
--If the reply is helpful, please Upvote and Accept as answer--