Code Mnemonic Constant Meaning
| 108 | ETCP_ERR_NOT_ENOUGH_MEMORY | Insufficient memory |
| 106 | ETCP_ERR_INVALID_HANDLE | Invalid file or .ZIP handle |
| 105 | ETCP_ERR_ACCESS_DENIED | Error accessing file (sharing violation) |
| 103 | ETCP_ERR_PATH_NOT_FOUND | Unable to create/access directory |
| 102 | ETCP_ERR_PATH_NOT_FOUND | File not found |
| 0 | ETCP_ERR_NO_PROBLEM | No error |
| -1 | ETCP_ERR_UNKNOWN_ARCHIVE_TYPE | Not a .ZIP archive |
| -2 | ETCP_ERR_INVALID_ARCHIVE_TYPE | Error in archive directory |
| -3 | ETCP_ERR_UNKNOWN_METHOD | Unknown compression method |
| -4 | ETCP_ERR_USER_ABORT | User cancelled operation |
| -7 | ETCP_ERR_NO_FILES_FOUND | No matching files found |
| -8 | ETCP_ERR_INCOMPLETE | Unable to complete request |
| -9 | ETCP_ERR_INVALID_SWITCH | Invalid switch operation |
| -10 | ETCP_ERR_DISK_FULL | Disk write or disk full error |
| -11 | ETCP_ERR_READ_PAST_END | Read error |
| -12 | ETCP_ERR_INVALID_OFFSET | Invalid starting offset |
| -18 | ETCP_ERR_OVERFLOW | Overflow error |
| -19 | ETCP_ERR_NOTHING_TO_DO | No action specified |
| -20 | ETCP_ERR_SWITCH_CONFLICT | Specified switches conflict |
| -21 | ETCP_ERR_TOO_MANY_FILES | Too many files to process |
| -22 | ETCP_ERR_INVALID_DATE | Invalid date specified |
| -23 | ETCP_ERR_BAD_FILE_MODE | Invalid file mode specified |
| -24 | ETCP_ERR_BAD_PASSWORD | Incorrect password |
| -25 | ETCP_ERR_BAD_CRC | CRC mismatch |
| -26 | ETCP_ERR_NOT_WITH_MV | Multi-volume ZIPs not supported |
| -27 | ETCP_ERR_CANT_CONTINUE | ZIP altered between FindNext calls |
| -28 | ETCP_ERR_NOT_REMOVABLE | Tried to create an IMMV or PKMV multi-volume archive on a fixed disk |