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Error when running JetReports Express, New Install

I Get the following error when trying to run JetReports from the desktop icon. The same error appeared directly after the install process:

An unexpected error has occurred:
 Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: Error loading type library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY)).
  System.InvalidCastException
   at System.StubHelpers.StubHelpers.GetCOMIPFromRCW(Object objSrc, IntPtr pCPCMD, IntPtr& ppTarget, Boolean& pfNeedsRelease)
   at Microsoft.Office.Interop.Excel.ApplicationClass.get_Version()
   at Jet.Excel.ExcelApplication.a(Application A_0)
   at Jet.Excel.ExcelApplication..ctor(Application A_0)
   at i.g()
   at i.a(String[] A_0)

System is completely up to date Windows 10 Pro. Nav is 2017.

Does anyone have any ideas how to fix it?

 

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