Error code

Windows 0x800700A1

WINDOWS0x800700A1
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

The specified path is invalid..

How to fix it

  1. Verify the full path exists and is reachable.
  2. reconnect the network or removable drive.
  3. correct the drive letter or UNC name.
  4. recreate the missing directory.

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