Windows & BSOD · high

How to fixWU-0x8024402c

Windows Update Error 0x8024402c

What this error means

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.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Reset proxy server configurations to use a direct connection.
  1. Reset proxy server configurations to use a direct connection.
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Configure your DNS server settings to public DNS (such as Google DNS 8.8.8.8).
  1. Configure your DNS server settings to public DNS (such as Google DNS 8.8.8.8).
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Flush the local DNS resolver cache and reset TCP/IP stack protocols.
  1. Flush the local DNS resolver cache and reset TCP/IP stack protocols.
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible 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.