When opening a Citrix Application the below error shows up

System.Runtime.JnteropServices.COMException (Ox80004005): Error HRESULT E_FAIL has been returned from a cal to a COM component.
at System. Windows.Forms.UnsafeNatiVeMethods.CoCreatelnstance(Guld& clsld, Object punkOuter, Int32 context, Guld& Ud)
at System. Windows.Forms.AxHost.CreateWithoutlicense( Guld clsid)
at System.Windows.Forms.AxHost.CreateWithLicense(String license, Guld clsid} at System.Windows.Forms.AxHost.CreatelnstanceCore(Guld clsld)
at System.Windows.Forms.AxHost.CreateinstanceO
at System. Windows.Forms.AxHost.GetOcxCreateO
at System.Windows.Forms.AxHost.TransitionUpTo(Int32 state)
at System. Windows.Forms.AxHost.CreateHandleO
at System. Windows.Forms.Control.CreateControl(Boolean flgnoreVisible)
at System. Windows.Forms.Control.CreateControl(Boolean flgnoreVlsible)
at System. Windows.Forms.Control.CreateControlQ
at System.Windows.Forms.Control.Contro!Colled:ion.Add(Control value)
at Citrix.DesktopViewer.MainWindow.StartConnectionQ
at Citrix.DesktopViewer.MainWindow.MainWindow_Shown(Object sender, EventArgs e) OK

Reboot the machine , after installing Citrix Reciever the computer needs rebooting even though it does not ask for it ( especially if it’s been installed to a single user )