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. |