Did you try a new profile? This error usually means something is wrong with
the address book.

--
Diane Poremsky [MVP - Outlook]
Outlook Tips: http://www.outlook-tips.net/
Outlook & Exchange Solutions Center: http://www.slipstick.com

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"ezroller" wrote in message
...
I'm having the same exact problem with my boss's computer and I've tried
all
the solutions with no effect.

using vista & outlook 2007

does not fix the problem by running outlook in safe mode.
I've tried running 'scanost'

I can receive e-mail but I can not send or reply.

All of the other outlook features work.
--
Jason


"XX888XX" wrote:

I keep getting this error msg when i try to send mail from Office Outlook
2003/2007. Error first appeared in Office 2003, then i installed Office
2007, since i was in the process of upgrading anyway, but still get the
same
error when i try to send mail, or edit e-mail accounts. Msg is; "Could
not
complete the operation. One or more parameter values are not valid." I've
re-installed twice, and run Office Diagnostic several times.