0X8024402C
The proxy or server name could not be resolved.
- Symbol / family
- WU_E_PT_WINHTTP_NAME_NOT_RESOLVED
- Signed decimal
- -2145107924
- Unsigned decimal
- 2149859372
What it means here
Windows Update could not resolve a required service or proxy hostname through WinHTTP networking.
What to check next
- Test DNS resolution in the device and SYSTEM context.
- Review WinHTTP proxy configuration and PAC behavior.
- Validate firewall and proxy access to the documented Windows Update endpoints.
Technical reference: Microsoft documentation or Microsoft-hosted support material