Add-Ins not loaded in Excel, when started via opening a file

• When I start Excel directly, "Team" and "Load Test" are loaded.

• But, if I double click on an Excel file, then Excel started without loading "Team" and "Load Test".

The settings are fine: "Team" - "Load at Startup"; "Load Test" - "Load on Demond".

As a workaround, currently, I firstly start Excel, then "File -> Open" to open a file contains TFS queries, to connect to TFS server.

How can I directly open Excel files, and still with "Team" loaded?

Maybe it is related to the following?

http://social.msdn.microsoft.com/Forums/en-US/56615f5f-788b-4e18-ae17-c22d4058ccd6/addin-will-not-be-loaded-when-open-excel-file?forum=vsto