E-Notebook Enterprise: Unable to access MS-Office section in E-Notebook, Error: COM errors with MS Office sections

Unable to access MS-Office section in E-Notebook, Error: COM errors with MS Office sections

Sometimes ELN 11.0.x users see the following error:

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Error Displaying MS Excel Spreadsheet
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Sorry, Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.Office.Interop.Excel.Workbook'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208DA-0000-0000-C000-000000000046}' failed due to the following error: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA).
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OK
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SOLUTION:

The COM+ issue has been fixed by applying a hotfix from Microsoft - http://support.microsoft.com/kb/935677