i did a clean install to another location to no avail. Only way i manage to fix was  create the following folders and install it there c:\users\user\appdata\roaming\mGalaxy\  This stopped the theme interface error and am able to use frontend now.
thanks

Need help to fix this problem. mGalaxy working fine then I received error "error while loading your interface theme" run mGalaxy with admin rights or outside program files folder" Im running Win7 and using base theme which exists in programs files 86\mgalaxy\app\data folder. program was installed ...