Resolving Error C2399 in Visual C++

When I execute any C++ program in Visual Studio, event the simplest like the following: class base { public: int i[10]; }; int main() { base p1; std::cout << sizeof(base); return 0; } I get the following errors: Error C2399 variable templates are not supported in this release. Error C2061 syntax error: identifier '__make_integer_seq'. Error C2065 '_Vals': undeclared identifier. Error C2975 '_Vals': invalid template argument for 'std::integer_sequence', expected compile-time constant expression Error C2061 syntax error: identifier 'make_integer_sequence' Error C2631 'identity': a class or enum cannot be defined in an alias template Error C1903 unable to recover from previous error(s); stopping compilation How can I resolve the above errors ?