outlook attachments swapping names

Hello! I have a user who intermittently has the problem where she attaches a few documents to an email, sends them, and the documents swap names around. So Document A switches names with Document B, but both documents retain their original content. This is observable in her sent mail as well. She uses Outlook 2010 all up to date on a win 7 pro machine. Why would this happen? So far it is just with Excel files.
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AmitIT ArchitectCommented:
Any add-ins? Review and disable all add-ins and test again.
mrosierAuthor Commented:
Will do. I also had Outlook regenerate is content.outlook temp folder for attachments to a fresh directory since I read that had been a cause of this exact problem but is supposed to be fixed in SP1 which is applied.
mrosierAuthor Commented:
I disabled all unnecessary add-ins along with the temp folder solution, but it has re-ocurred
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AmitIT ArchitectCommented:
What happened, when you send using OWA? I have see, antivirus causes this issue. I suggest to disable AV on client machine or remove it. Then test again.

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mrosierAuthor Commented:
That's actually what I am testing right now thinking that it could be related. I will return with an update.
mrosierAuthor Commented:
I have not heard back on any trouble, so I think it was the A/V OUtlook plug-in. Thanks!
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