Try manual download and install.
Updating your Microsoft antimalware and antispyware software
https://www.microsoft.com/security/portal/Definitions/ADL.aspx
~bhringer
Cannot update Defender- Error code 0x8024401c
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
how can i update windows 8.1 defender when it displays this error code 0*8024401c????
[Original title: update and recovery]
Windows for home | Previous Windows versions | Security and privacy
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