Solution : https://service.sap.com/sap/support/notes/669048 (SAP Service marketplace login required)
Key words :
control string button, button status explicitly, inadvertently displayed, patch level 5, newer patch, 'selectable', prerequisites, information, downloading, notes 563161
Related Notes :
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace |
| 335521 | ITS patch installation of kernel files |
| 330793 | Downloading patches |