Solution : https://service.sap.com/sap/support/notes/513344 (SAP Service marketplace login required)
Key words : 
//sapservx/general/frontend/patches/rel610/windows/win32/, sapservx/general/frontend/patches/rel46d/windows/win32, //sapserv3/general/frontend/patches/rel610/windows/win32/, 'extras --> import package' menu option, sap setup -> configuration -> program sapadmin, \\<servername>               sharename>\netinst\sapadmin, register ocx files manually, 1b sp2 patch ftp, gui 46d compilation 3rd, current frontend patch
Related Notes : 
       
| 396640 | Implementing SEM 3.0A Frontend patch | 
| 361222 | SapPatch: Importing GUI Patches | 
| 147519 | Maintenance strategy / deadlines for SAP GUI | 
| 96885 | Downloading front end patches |