The NEW FULL error code is: Account: 'pop.att.yahoo.com', Server:
'pop.att.yahoo.com', Protocol: POP3, Port: 995, Secure(SSL): Yes, Error
Number: 0x800CCC17
The error code 0x800CCC17 means the user canceled the operation.
Are you clicking on Stop or Cancel? If yes, try not doing that, does that
give a different error message?