Outlook running on XP Pro sending blank emails

I have a new XP Professional system for a home office using Office 2002 (Outlook) with high-speed cable through Comcast.net.  it's run OK for two months.  About a week ago my email starting dumping the body of emails I sent (recipients got the header and replied that the message was blank).  Now it's sending its own blank emails when I reply (sometimes keeps the body text and sends a duplicate blank; other times dumps the body text), and even to incoming emails that I haven't opened.  

I saw a similar question here from June and am wondering if the upgrade to Outlook 2003 worked (I've tried all the other solutions suggested there).  Microsoft is no help (since it came bundled from HP).  HP's no help.  Comcast doesn't "support" Outlook.  And I just paid a consultant $150 this afternoon to tell me it was a Comcast issue.  The consultant and my 2004 Norton Antivirus tell me my system's clean.  This is NOT what I do best and I need help...please.  Thanks.
LynnSchmidtkeAsked:
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sunray_2003Commented:
sunray_2003Commented:
You may also want to repair or reinstall outlook which could solve the issue

or remove the email settings and give in the same again and check if that has to do anything with this ?

Sunray
sunray_2003Commented:
What is the status of this problem ?
Did you get it solved

Sunray
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