Solution : https://service.sap.com/sap/support/notes/968222 (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/, menu option 'tools --> apply patch', sapsetup -> configuration -> sapadmin program, \\<servername>\<sharename>\netinst\sapadmin, current front-end patch, register ocx files manually, sap chart  ocx, current patch level
Related Notes : 
       
| 811071 | SEM 3.5 Frontend Patch 6 (January 2005) | 
| 656975 | SEM 3.5 frontend patch 1 (Oct.2003) | 
| 598364 | |
| 571477 | Installation of SAP SEM Release 3.2 | 
| 566094 | Upgrade to SAP SEM Release 3.2 | 
| 396640 | Implementing SEM 3.0A Frontend patch | 
| 361222 | SapPatch: Importing GUI Patches | 
| 147519 | Maintenance strategy / deadlines for SAP GUI | 
| 96885 | Downloading front end patches |