Error code

Windows 0x80070020

WINDOWS0x80070020
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

The process cannot access the file because it is being used by another process..

How to fix it

  1. Perform a clean boot.
  2. temporarily disable antivirus and backup software.
  3. restart the device.
  4. retry the update.

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