http://blogs.msdn.com/aymans/archive/2006/04/24/582496.aspxOriginal Code: int main() { const x = 0; } Error VC2005 issues: sample.cpp(3) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int Code after applying the fix: int main() { const int x = 0; } For more details, checken-USCommunityServer 2.1 SP1 (Build: 61025.2)