Troubleshooting
Problem
User launches main Controller client (CCR.EXE). User clicks the green 'X' (to launch the Controller Excel link). An error appears.
Symptom

Error Launching menu item "Controller Link"
[Details] [OK]
Error Details
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 IIF '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)).
[{"Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"ARM Category":[{"code":"a8m0z000000Gmx2AAC","label":"Error"}],"ARM Case Number":"TS004126739","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Version(s)"},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]
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Document Information
Modified date:
08 May 2025
UID
swg21962087