List of WinRAR exit codes

WinRAR exits with a zero code (0) in case of successful operation. The exit code of non-zero indicates the some kind of error:

Code value Description
0 Successful operation.
1 Warning. Non fatal error(s) occurred.
2 A fatal error occurred.
3 CRC error occurred when unpacking.
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.
255 User break.