Tarima Navarita

Hello all I have installed blender 2.78a then avastar 1.7.4 on windows 10 , impossible to install avastar, too many errors. if i install blender 2.77 with avastar 1.7.4 i do not have any probs! does anyone know what to do or have the same problem ? btw i installed with msi with zip.....all possible ways well i can work with older version, but thats not what i payd for. thank u for answers