0 Successful operation. 
1 Warning. Non fatal error(s) occurred. 
2 A fatal error occurred. 
3 Invalid checksum. Data is damaged. 
4 Attempt to modify a locked archive. 
5 Write error. 
6 File open error. 
7 Wrong command line option. 
8 Not enough memory. 
9 File create error. 
10 No files matching the specified mask and options were found. 
11 Wrong password. 
255 User break.