Solution : https://service.sap.com/sap/support/notes/750971 (SAP Service marketplace login required)
Key words :
640 service pack 5another improvement, call front end services, front end services, 640 sap_basis service pack [, 700 sap_basis service pack [, service parmeter ~webgui_updown_make_visible, manual confirmation troublesome, interim screens manually, interim screens, intermediate screens
Related Notes :
| 893567 | ITS Up/Down: misleading OK-Button in intermediate screens |
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace |
| 335521 | ITS patch installation of kernel files |
| 330793 | Downloading patches |