How to Fix Error 0x800705b4 While Updating Windows 10

Hello everybody! In this article, I’m going to show you how to fix this error 0x800705b4 which appears when updating Windows 10 operating system. There are several causes behind this error- problems with the Internet connection or DNS service crash, driver failures in some of the system components, viruses, connections blocked by the firewall or the antivirus software, or incorrect functioning of network equipment. 

As you can see, there is a sufficient number of things to cause them trouble, but don’t worry - we have several effective methods at hand to fix the error.

1. Check the Internet connection and DNS Services : 

The first thing to do is check if you really have Internet access at the moment; there might be poor contact of the network cable connector or the network adapter, so have a closer look at them and make sure all connectors and cables stick firmly in their sockets. 

Restart the computer and the router. Disconnect all peripheral equipment, such as USB drives, cameras, printers, and the like, from the computer. After each step, try updating the system. 

Also, there can be faults in providing the IP address. Compare the current IP address data with the data from your Internet provider. 

• To do it, open the Run window by pressing the Windows+R key shortcut and run the command ncpa.cpl

• Then right-clicks on the network connection and select “Properties.” Go to “IPv4” and check if the entered data is correct or try to “Obtain an IP address automatically.” 

• If the network data is set in the router itself, you need to check these router settings, and there is an article on our blog to read and see how to do it properly. 

• Another thing to help you is using alternate DNS. For this purpose, set the “Preferred DNS server” value as 8.8.8.8 For “Alternate DNS server” - 8.8.4.4

2. Troubleshooting :

If the network connection is all right, try using the Troubleshoot utility. 

1. Go to Settings / Update and Security / Troubleshoot. Find Windows Update and click on “Run the troubleshooter.” 
2. The system will start searching for errors and fixing them. 

When the process is over, you’ll be offered to choose from several actions. Try disabling the antivirus and the firewall for the period of updating.

3. Graphics driver:

Another cause to trigger this error when updating the operating system can be an outdated graphics driver or a driver for any other system component. Try updating it. You can read one of our articles to see how to do it properly. 

1. You can learn your graphics card model from the Run window by pressing the Windows+R key shortcut and typing “msinfo32,” Components > Display. 

Use only official websites to update drivers. After they are updated, you should restart the computer. It’s also worth updating drivers for other system components.

4. Direct download and restarting Windows Update:

If all these tricks can’t help you, try disabling updates for other applications: 

1. Open Settings / Update and Security / WindowsUpdate / Advanced options. In the window that opens, disable “Give me updates for other Microsoft products when I update Windows.” 
2. After that, restart the computer, go to WindowsUpdate and click on Update (?) Install all the detected components and restart the computer again. 
3. Start the Command Prompt as an administrator, type “cmd” in the search field, and then, one by one, run the commands for re-registration of Windows Update libraries: 

1. net stop wuauserv
2. regsvr32 %WinDir%\System32\wups2.dll 
3. net start wuauserv 

Enable updates for other products and see if there are any errors now. Microsoft Support recommends checking update possibilities regularly and wait until this error disappears. It may happen in a few days.