Solution : https://service.sap.com/sap/support/notes/1710864 (SAP Service marketplace login required)
Key words : 
hkey_local_machine\software\wow6432node\sap\saplogon, hkey_local_machine\software\sap\saplogon, prerequisites program error solution, 3 predefined registry dword values, explorer/list tree views, 3 standard sap logon views, sap logon views, terms sap gui, standard mode 2, accessibility mode
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