I have the same problem.
Win 7 64bit.
Java in Program Files Folder.
java version "1.8.0_05"
Java(TM) SE Runtime Environment (build 1.8.0_05-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode)
Does it means, that HANA Studio is not compatible with 1.8 Java?