REARJ log error codes:
 1 = File not found
 2 = File is not a configured archive type
 3 = Target archive already exists
 4 = Not enough disk space
 5 = User skipped or user did not select update option
 6 = UNPACK command error
 7 = PACK command error
 8 = Target cannot support directories
 9 = Wrong file count
10 = Wrong total size
11 = Internal archive REARJ error
12 = Rename archive error
13 = Invoked /v command error (found a virus?)
14 = Output archive is larger
