eboostr freezed in case of selecting "configure" -> "Enable use of hidden system memory" -> (Warning dialogs) -> "OK".
My system as follows.
OS: windows 7 professional 32bit
HW: Asus AT3N7A-I (ION base ATOM330 cpu) / 4GB ram /
eboostr ver. : 4.0 build 545
antivirus : Avira AntiVir Pesonal free 9.0.0.418