Error code

Windows 0x80242006

WINDOWS0x80242006
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

WU_E_UH_INVALIDMETADATA: a handler operation could not be completed because the update contains invalid metadata..

How to fix it

  1. Rename %systemroot%\SoftwareDistribution\DataStore.
  2. rename %systemroot%\SoftwareDistribution\Download.
  3. rename %systemroot%\system32\catroot2 to .bak.
  4. restart the Windows Update service.
  5. retry the download.

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