You need to shift-drag them off of one another, then save their positions. Aurora doesn't auto-arrange them for you, you do it yourself. There should be instructions associated with the "sys pos" (or something like that) button.
John
PS - Please read the "Where should I post?" FAQ and the "Bug Reporting (Please read before posting bugs)" threads. In particular, new user questions such as this should be posted in The Academy - I've moved the thread there for you. Thanks!!