troubleshooting Question

C# outlook add-in via VSTO 2005 SE Windows Vista Error# 0x80004002

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ChaffeFlag for Afghanistan asked on
.NET ProgrammingMicrosoft Development
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I made an add-in for outlook 2007 using VSTO 2005 SE, it works normally on Windows XP. I tested it on two Windows Vista platforms, it was ok on one and it gave this error on the other "Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.Office.Interop.Outlook.ContactItem'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{0006321-0000-0000-C000-000000000046}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))."
do i have to install or configure anything on the destination machine to solve this error. thanks a lot
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