Here are a list of the general errors you may encounter while using Outlook Express;
| Error Code | Error Type | Description |
|---|---|---|
| 0x800CCC00 | LOAD_SICILY_FAILED | Authentication did not load |
| 0x800CCC01 | INVALID_CERT_CN | Invalid certificate content |
| 0x800CCC02 | INVALID_CERT_DATE | Invalid certificate date |
| 0x800CCC03 | ALREADY_CONNECTED | User already connected |
| 0x800CCC04 | CONN | |
| 0x800CCC05 | NOT_CONNECTED | Not connected to server |
| 0x800CCC06 | CONN_SEND | |
| 0x800CCC07 | WOULD_BLOCK | |
| 0x800CCC08 | INVALID_STATE | |
| 0x800CCC09 | CONN_RECV | |
| 0x800CCC0A | INCOMPLETE | Message download incomplete |
| 0x800CCC0B | BUSY | Server or maildrop is busy |
| 0x800CCC0C | NOT_INIT | |
| 0x800CCC0D | CANT_FIND_HOST | Cannot locate server |
| 0x800CCC0E | FAILED_TO_CONNECT | Cannot connect to server |
| 0x800CCC0F | CONNECTION_DROPPED | Connection closed |
| 0x800CCC10 | INVALID_ADDRESS | Address not known on server |
| 0x800CCC11 | INVALID_ADDRESS_LIST | Mailing list not known on server |
| 0x800CCC12 | SOCKET_READ_ERROR | Unable to send WINSOCK request |
| 0x800CCC13 | SOCKET_WRITE_ERROR | Unable to read Winsock reply |
| 0x800CCC14 | SOCKET_INIT_ERROR | Unable to initialize Winsock |
| 0x800CCC15 | SOCKET_CONNECT_ERROR | Unable to open Windows Socket |
| 0x800CCC16 | INVALID_ACCOUNT | User account not recognized |
| 0x800CCC17 | USER_CANCEL | User canceled operation |
| 0x800CCC18 | SICILY_LOGON_FAILED | Logon attempt failed |
| 0x800CCC19 | TIMEOUT | |
| 0x800CCC1A | SECURE_CONNECT_FAILED | Unable to connect using Secure Sockets Layer (SSL) |
