Did you not try Office Diagnostics?

"John L" wrote in message
news
Outlook 2007
POP account

This just started. I cannot send mail. I get error:

Task 'John (Comcast) - Sending' reported error (0x80070057) : 'Could not
complete the operation. One or more parameter values are not valid.'

I repaired the account to comcast and all is OK. I have all my outgoing
eMails in the outbox.

I googled and it said registry problem a so I cleaned with registry
mechanic to no avail.

What is the error and how can I unclog my outbox?

John

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John Lenz