Solution : https://service.sap.com/sap/support/notes/674479 (SAP Service marketplace login required)
Key words : 
higher patch patch level, patch level 30, patch level 7, toolbar buttons, netscape browser, terms dropdown, menu buttons, read note 335521, prerequisites, application
Related Notes : 
       
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace | 
| 335521 | ITS patch installation of kernel files | 
| 330793 | Downloading patches |