Solution : https://service.sap.com/sap/support/notes/538214 (SAP Service marketplace login required)
Key words :
hkcu\software\sap\sapgui front\sap frontend server\customizename, hkcu\software\sap\sapgui front\sap frontend server\customize, closed okcode field automatically, closed okcode field, invisible okcode field, collapsed okcode field, mouse wheel solution, disablescrollkeys side effects, okcode field, terms okcode
Related Notes :
| 648452 | SAPGUI620: OK-CODE box can be deactivated |
| 572686 | Cursor in list: jumps to the OK-Code field using mouse wheel |
| 512995 | Scrolling with wheel mouse in SAP GUI via terminal server |
| 328723 | GUI default settings during installation |