Solution : https://service.sap.com/sap/support/notes/1626919 (SAP Service marketplace login required)
Key words :
tools -> internet options -> advanced -> enable smartscreen filter, reset internet explorer settings feature, internet explorer finishes resetting, reset internet explorer settings, incompatible internet explorer settings, resetting internet explorer settings, ie8 frequently stops responding, including internet explorer, start internet explorer, choose #custom settings#
Related Notes :
1358871 | IE8 support in CRMUIF 60 and WEBCUIF 70 |