Known issue caused by Google Desktop.
Either update or uninstall it.
See
http://www.msoutlook.info/question/64
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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"roger" <(E-Mail Removed)> wrote in message
news:48B33178-F39D-47B4-A4B6-(E-Mail Removed)...
> I cannot open an e-mail attachment that shows up as an envelop, everything
> else opens fine?