Error code

Windows ERROR_LOCK_VIOLATION

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

What it means

The process cannot access the file because another process has locked a portion of the file..

How to fix it

  1. Close the other program editing the file.
  2. identify the locking process with Process Explorer and end it.
  3. retry the operation after the lock is released.
  4. avoid opening the same file from two applications at once.

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