Quick Summary
The error code 0x8024401c on Windows indicates that the computer is unable to connect to the Windows Update servers. This often points to network connectivity issues, problems with the Windows Update service itself, or issues with proxy settings.
Common Causes
- Network Connectivity Problems: The computer may have difficulty reaching the Microsoft Update servers due to a general network outage, DNS resolution failures, or firewall restrictions.
- Windows Update Service Issues: The Windows Update service might be stopped, corrupted, or otherwise malfunctioning, preventing it from establishing a connection.
- Incorrect Proxy Settings: If the computer is configured to use a proxy server, incorrect proxy settings can block access to the update servers.
- Firewall Blocking Windows Update: The Windows Firewall or a third-party firewall might be blocking the Windows Update service from accessing the internet.
Step-by-Step Fixes
Method 1: Check Network Connectivity
Step 1: Verify your internet connection by opening a web browser and navigating to a known website.
Step 2: If you cannot access the internet, troubleshoot your network connection. Check your router, modem, and network cables.
Step 3: Try pinging a public DNS server like Google's (8.8.8.8) from the command prompt to check for DNS resolution issues. Open Command Prompt as administrator and type ping 8.8.8.8 then press Enter.
Method 2: Restart Windows Update Service
Step 1: Press Windows Key + R to open the Run dialog box.
Step 2: Type services.msc and press Enter.
Step 3: Locate the Windows Update service in the list.
Step 4: Right-click on the Windows Update service and select Restart. If the service is not running, select Start.
Step 5: If you don't see the option to 'restart' try 'stop' and then 'start' to achieve the same result.
Method 3: Check and Reset Proxy Settings
Step 1: Press Windows Key + R to open the Run dialog box.
Step 2: Type inetcpl.cpl and press Enter to open Internet Properties.
Step 3: Go to the Connections tab and click on LAN settings.
Step 4: If Use a proxy server for your LAN is checked, ensure the settings are correct. If you are not using a proxy server, uncheck the box.
Step 5: Click OK to save the changes.
Method 4: Disable Firewall Temporarily
Step 1: Open Control Panel and navigate to Windows Defender Firewall.
Step 2: Click on Turn Windows Defender Firewall on or off in the left pane.
Step 3: Select Turn off Windows Defender Firewall (not recommended) for both private and public network settings.
Step 4: Click OK and try running Windows Update again. Remember to re-enable the firewall after testing.
Method 5: Run the Windows Update Troubleshooter
Step 1: Open Settings.
Step 2: Go to Update & Security, and then click Troubleshoot.
Step 3: Choose Windows Update and click Run the troubleshooter. Follow the on-screen instructions.