title: unity3d 4.1.2 built window standalone crashed when quit application
body: <p>I am using unity3d 4.1.2f1,and build a window standalone version application, but when I quit the applcation, receive a application crash, but I don't get it when using 3.5.6f4. anybody know what's wrong or it's a bug of unity? I debug it using vs2010, get "CacheDownloadBuffers::~CacheDownloadBuffers memory issue". waiting for answer, thank you firstly</p>