Solution : https://service.sap.com/sap/support/notes/1569232 (SAP Service marketplace login required)
Key words : 
sand glass appears, - change list #- mdm 7, 1 ehp01 - change list #, specific flaw addressed, data management clients, data manager, key mappings, mouse click, edit keymapping, task manager
Related Notes : 
       
| 1569145 | SAP Release Note for MDM 7.1 SP06 Patch10 |