What is WU-0x8024402c?
Windows Update Error 0x8024402c is a high-severity Windows operating system issue. Windows Update connection fails. This error occurs when the update client is unable to connect to the Windows Update servers, usually due to incorrect proxy settings, custom firewall restrictions, or invalid DNS configurations. Use the steps below to track down and fix the cause.
Common Causes
- Incorrect DNS server configuration directing update traffic to invalid IP addresses.
- An active proxy server blocking or modifying HTTP/HTTPS requests to Microsoft's update servers.
- Firewall settings blocking outgoing traffic on standard ports 80 and 443.
Step-by-Step Fix Guide
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1
Reset proxy server configurations to use a direct connection.
If earlier steps didn't help, "Reset proxy server configurations to use a direct connection." directly addresses incorrect DNS server configuration directing update traffic to invalid IP addresses.
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2
Configure your DNS server settings to public DNS (such as Google DNS 8.8.8.8).
"Configure your DNS server settings to public DNS (such as Google DNS 8.8.8.8)." is worth trying when incorrect DNS server configuration directing update traffic to invalid IP addresses turns out to be the culprit.
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3
Flush the local DNS resolver cache and reset TCP/IP stack protocols.
Still seeing WU-0x8024402c after that? "Flush the local DNS resolver cache and reset TCP/IP stack protocols." is the next thing to check.
Commands & Diagnostics
netsh winhttp reset proxy
ipconfig /flushdns
netsh int ip reset
Frequently Asked Questions
In most cases, incorrect DNS server configuration directing update traffic to invalid IP addresses is behind WU-0x8024402c. An active proxy server blocking or modifying HTTP/HTTPS requests to Microsoft's update servers and firewall settings blocking outgoing traffic on standard ports 80 and 443 can trigger it too.
The fastest fix is "Reset proxy server configurations to use a direct connection". Only move on to the later steps if WU-0x8024402c keeps coming back.
Rated high severity — WU-0x8024402c isn't immediately destructive, but recurring instances are a sign to fix it sooner rather than later.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including WU-0x8024402c. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
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