Software & Apps Windows Windows Update Error 8024402c: What It Is and How to Fix It Remedy your Windows Update connection issues by Nicholas Congleton Writer Nick Congleton has been a tech writer and blogger since 2015. His work has appeared in PCMech, Make Tech Easier, Infosec Institute, and others. our editorial process Twitter LinkedIn Nicholas Congleton Updated on July 28, 2020 Windows The Ultimate Laptop Buying Guide Tweet Share Email Windows Update is essential to keeping your PC running smoothly. That's why an error in updating can be a big problem. Windows Update Error 8024402c is one of the most common ways a problem with Windows update can manifest. 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 or your scheduled update runs and there's no Internet connection or that connection is blocked, there's a good chance you're going to see Error 8024402c. There are plenty of reasons that would prevent a computer from being able to connect. Then, there are more technical and harder to pin down causes. The trick is figuring out which one it is. These four are the most common technical causes of Error 8024402c. Pixabay Disable any firewall your computer has and try to update Windows again. The firewall might be blocking the update. If that doesn't alleviate the problem, continue. Remove a VPN connection. 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. It might be blocked or interfering. If you have a VPN application from your provider, use it first to disable the VPN. Try Windows Update Troubleshooter. Microsoft offers its own automated solution from the Windows Update Troubleshooter. Go over to Microsoft’s download page, and download the correct version of the troubleshooter for your version of Windows. 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 of 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.