my outlook will not work please help

[STEELERGLENN]

THIS IS THE ERROR




Task 'pop.att.yahoo.com - Receiving' reported error (0x80040600) : 'Unknown Error 0x80040600'
Task 'pop.att.yahoo.com - Sending' reported error (0x80040600) : 'Unknown Error 0x80040600'

 

[patrickv]

Task 'pop.att.yahoo.com - Receiving' reported error (0x80040600) : 'Unknown Error 0x80040600'
Task 'pop.att.yahoo.com - Sending' reported error (0x80040600) : 'Unknown Error 0x80040600'

you should consider checking in the settings here