Solution : https://service.sap.com/sap/support/notes/673134 (SAP Service marketplace login required)
Key words : 
toolbar button, terms checked, control string, button reason, explicitly set, button icon, correctly determined, relevant procedure, patch level 7, kernel patch 1
Related Notes : 
       
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace | 
| 335521 | ITS patch installation of kernel files | 
| 330793 | Downloading patches |