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Outlook 2007 Issue

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tfrank

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Jan 4, 2010, 3:37:01 PM1/4/10
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Windows XP Pro SP3, Microsoft Office Professional 2007.

Sometimes when replying to different emails in Outlook 2007, after I click
the SEND button, the following error message appears:

"An error occurred in the underlying security system. The supplied handle
was invalid."

This does not happen all the time, just once in a while and with different
people. Can someone point to a cause for this and how I might be able to fix
this issue?

Thanks

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