Retrieving the COM class factory for component with CLSID failed due to the following error: 8007007f
	
	
		Bonjour à tous, 
j'ai un problème avec mon application. Lors de l'ouverture d'une fenêtre nécessitant EXCEL un message d'erreur apparaît : 
************** Exception Text ************** System.Runtime.InteropServices.COMException (0x8007007F): Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 8007007f La procédure spécifiée est introuvable. (Exception from RESULT: 0x8007007F).
   at System.Runtime.Remoting.RemotingServices.AllocateUninitializedObject(RuntimeType
objectType)
   at System.Runtime.Remoting.Activation.ActivationServices.CreateInstance(RuntimeType
serverType)
   at System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(RuntimeType
serverType, Object[] props, Boolean bNewObj)
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at System.Activator.CreateInstance(Type type)
   at WindowsApplication1.Aux_Publiques.Detection_Fichier_OTIF_Fournisseurs()
   at WindowsApplication1.frm_OTIF.frm_OTIF_Disposed(Object sender, EventArgs e)
   at System.ComponentModel.Component.Dispose(Boolean disposing)
   at System.Windows.Forms.Control.Dispose(Boolean disposing)
   at System.Windows.Forms.Form.Dispose(Boolean disposing)
   at WindowsApplication1.frm_OTIF.Dispose(Boolean disposing)
   at System.ComponentModel.Component.Dispose()
   at System.Windows.Forms.Form.WmClose(Message& m)
   at System.Windows.Forms.Form.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
  
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j'ai tenté cette solution mais sans succès : 
https://www.veritas.com/support/en_U...cle.TECH170889
Quelqu'un à une idée ? 
Je vous remercie pour votre aide.