Hello Jason,

RTD is a worksheet function that allows the users to call a Component
Object Model (COM) Automation server for the purpose of retrieving data
real-time. Because the error is thrown when Excel 2007 is started, it's
likely that some auto-start Excel Add-ins or macros have the problem when
they use RTD.

1. To see whether the error results from some Excel Add-ins.
Please click on the upper-left Excel icon, and choose Excel Options. In the
Add-Ins tab, all the active and inactive add-ins are listed. Choose "COM
Add-ins" at the bottom of the page, and click "Go", then you will see all
the COM Add-ins that are installed for Excel, some of which load at
startup, and some load on demand. Uncheck whichever one is causing the
problem, restart Excel and see whether the error remains.

2. To see whether the error is caused by some auto-start macros.
After Excel is started, please press Alt-F11 to view all the VBA projects
that are loaded by this Excel instance. Excel workbooks or macros in the
folder C:\Program Files\Microsoft Office\OFFICE12\XLSTART will also be
loaded automatically. Thus, you may want to open each project file in the
VBAProject explorer, read its code, and check whether it contains the logic
of RTD in it, or temporarily remove the files in the folder C:\Program
Files\Microsoft Office\OFFICE12\XLSTART and see whether the error persists.

For more reading about how to prevent files from opening automatically in
Excel, please refer to the KB article:
http://support.microsoft.com/kb/826922/en-us

If you are interested in RTD in Excel, here is a list of the relevant
documents:
http://support.microsoft.com/kb/289150
http://support.microsoft.com/kb/285339/
http://support.microsoft.com/kb/286259/

Please let me know if you have any other concerns, or need anything else.

Regards,
Jialiang Ge , remove 'online.')
Microsoft Online Community Support

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