Error code

Windows 0x80244022

WINDOWS0x80244022
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

WU_E_PT_HTTP_STATUS_SERVICE_UNAVAIL - same as HTTP status 503 the service is temporarily overloaded..

How to fix it

  1. Verify the device can reach the update source.
  2. check that the WSUS or proxy server is online.
  3. confirm proxy settings do not require user authentication.
  4. wait and retry.
  5. involve the network team for connectivity.

Not affiliated with Windows. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.