0x800CCC00 – Authentication did not load

Try restarting the system
Re-set up your account in Outlook

0x800CCC01 – Invalid Certificate content/date

Try getting your digital certificate re-issued or
Re-set up your account in Outlook

0x800CCC03 – User already connected

Disconnect all machines and wait 20 mins
Re-set up your account in Outlook

0x800CCC05 – Not connected to server
0x800CCC0D – Cannot locate server
0x800CCC0E – Cannot connect to server

Check you are connected to the internet
Reconnect, try again
Reboot

0x800CCC0A – Incomplete

Close internet connection
Search for the file ‘pop3uid.dbx’ and rename it to ‘pop3uid.xxx’ (there could be a corruption), reconnect
Restart your PC

0x800CCC0B – Server or maildrop is busy

The mailserver may have heavy traffic – wait 5 mins
Check your service status with Primus

0x800CCC0F – Connection closed

Check your hardware/drivers for problems

0x800CCC010 – Address not known on server
0x800CCC011 – Mailing list not known on server

Check all email addresses for errors

0x800CCC012/13/14/15 – Winsock Problems

Restart PC
Reinstall TCI/IP

0x800CCC016 – User account not recognised

Check that your username/passwords are correct
If not, try setting up a new account, but with your own details – your account could’ve been corrupted

0x800CCC018 – Logon attempt failed

Check your account information
Ensure your account is still active

0x800CCC019 – Timeout

Restart PC