Thanks for taking the time to report this issue. We are investigating several ongoing installation issues and will resolve them asap (priority-1 critical).
Please help us as follows.
1) can you send me the installer log file?
See <mobionestudioinstalldir>/Common/log directory.
2) Can you try running uninstall and then the 1.0 installer?
3) If #2 fails would you try manually delete the MobiOne Studio installation folder and its subdirs. Also please use Task Manager and see if there is a hung installer or uninstaller Java process. If yes, please kill it.
Wayne
Genuitec Mobile Team