Windows Update Error 8024402c: What It Is and How to Fix It

Remedy your Windows Update connection issues

Computer Error

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Windows Update is essential to keeping your PC running smoothly. That’s why an error in updating can be as big a problem as it can. Windows Update Error 8024402c is one of the most common ways a problem with Windows update can manifest. It’s caused when your computer can’t connect to Microsoft’s update servers.

What Causes Windows Update Error 8024402c

This error will appear whenever Windows Update can't connect to Microsoft's update servers. If you run Windows Update, your scheduled update runs and there's no Internet connection, or that connection gets blocked somewhere down the line, there's a good chance you're going to see Error 8024402c.

This error is particularly tricky to solve because there are plenty of reasons that would prevent a computer from being able to connect. Is your WiFi connection weak? Are you not connected at all? The error might happen. Then, there are the more technical and harder to pin down causes.

The trick is figuring out which one it actually is, because this error is fairly vague and doesn't report the exact cause. These four are the most common technical causes of Error 8024402c.

Make Sure Your Firewall/Antivirus Isn’t Blocking the Update

Check your own antivirus program first. Try disabling any firewall it may have and stop it, if you can. If that doesn’t alleviate the problem, continue.

  1.  Search for "Security and Maintenance" in the search bar on your desktop.

    Windows desktop search Security and Maintenance
  2. Select Security. If you see the firewall and antivirus enabled, you're going to need to turn them off.

    Windows 10 security and maintenance
  3. Select Change Security and Maintenance settings in the upper left of the screen.

  4.  Select Network firewall and Virus protection to disable them.

    Windows 10 change security settings

Check VPNs/Proxies—They Might Be Blocked or Interfering

If you’re currently using a VPN or a proxy to connect to the Internet, it’s best to disable it temporarily to rule it out as a cause. If you have a VPN application from your provider, use it first to disable the VPN. Otherwise, follow the below process to disable the VPN.

  1.  Select the Start Menu > Settings.

    Windows 10 settings from start menu
  2.  Select Network & Internet.

    Windows 10 Settings
  3.  Select VPN.

    Windows Network and Internet settings
  4. Locate your VPN connection and disable it.

    Windows 10 VPN settings

Try Windows Update Troubleshooter

Microsoft offers their own automated solution from the Windows Update Troubleshooter. Go over to Microsoft’s download page, and download the right version of the troubleshooter for your version of Windows.

Windows Update troubleshooter

Run the troubleshooter, and with any luck, it’ll diagnose and solve the issue.

Change the DNS Servers

Domain Name System (DNS) servers route your computer to the right servers to find the websites you’re looking for. They’re an essential part for your computer to make a connection with the Windows Update servers. If you can’t connect to Windows Update, a bad DNS server might be the cause. Thankfully, you can change them at any time.

  1. Search for "Control Panel" in search bar on your desktop, and select it.

    Windows search control panel
  2.  Select Network and Internet from the Control Panel.

    Windows 10 Control Panel
  3.  Select Network and Sharing Center > Change adapter settings.

    Windows network and sharing center
  4.  Right-click your connection and select Properties from the resulting menu.

    Windows 10 adapter settings
  5.  Scroll and select Internet Protocol Version 4(TCP/IPv4).

    Windows 10 Ethernet properties
  6.  Select Properties below the list.

  7. Select Use the following DNS server addresses.

    Windows 10 change DNS
  8.  Enter a new preferred and alternate DNS servers. Two good options are:

    • Cloudflare: 1.1.1.1 and 1.0.0.1
    • Google: 8.8.8.8 and 8.8.4.4
  9.  Select OK at the bottom of the window to save the changes.

  10.  Try running Windows Update again to see if you can connect.