Solution : https://service.sap.com/sap/support/notes/1377688 (SAP Service marketplace login required)
Key words : 
sap internet transaction server, sap@web installation guide 6, item-specific context menu, sap_basis support package corrects, threadid=30366&tstart=0 sap integrated, relevant tree control permits, apply sap kernel patches, call context menus, /3 support package schedule, sap developer network
Related Notes : 
       
| 1053737 | Expected release dates for SAP GUI for Windows & ITS Patches | 
| 563161 | SAP GUI, SAP ITS & SAP IGS patches on Service Marketplace | 
| 330793 | Downloading patches | 
| 97621 | OCS Info: Online Correction Support (OCS) | 
| 19466 | Downloading SAP kernel patches |