In this post, we’ll look at the Wndows Update Error Message “0x8024401B – WU_E_PT_HTTP_STATUS_PROXY_AUTH_REQ” that is usually displayed when things go wrong during the update process.
Note that this Windows Update error is application for both Windows 10 and Windows 11.
Error Message
0x8024401B – WU_E_PT_HTTP_STATUS_PROXY_AUTH_REQ
Windows Update Error Details
Same as HTTP status 407 – proxy authentication is required.