(false?) error 0x80070057 send & receive with outlook connector?

[Odzihozo]

I have several email accounts in Outlook, some MAPI, and some POP3.

All accounts send and receive with no errors except the primary account
which is MAPI through Outlook Connector (an MSN account).

Every time I send and receive, I get error messages stating the operation
failed, one or more parameter values are not valid (error 0x80070057) only on
the primary account.

Another mystery is that I cannot find any errors. Mail, contacts, calendar
appointments, and tasks are all updating exactly as they should. I have
attempted changes in all folders directly on MSN, and in Outlook. Every
change updated properly after send and receive, yet the error message
persists.

The error mysteriously appeared yesterday, and I can find no evidence that
anything is actually wrong.

I have run detect and repair on Outlook, and the error is still reported.

It makes no sense.

 

[Odzihozo]

Update:

Now the errors are not the only problem. I reset my send/reciever options in
Outlook. They used to be set to send/receive every five minutes. I got tired
of the errors popping up on top of my work every five minutes, so I changed
the send/receive to every 60 minutes. I still performs every five minutes.
Could this be a problem with Outlook Connector?