I'm having a problem playing No Mercy on project 64. Sometimes the game itself gets stuck, and sometimes it gives me errors saying Microsoft Visual C++ Runtime Library: Runtime error! Program:\Project 64 1.6\Project64.exe R6025 -pure virtual funtional call. And sometimes it gives me errors saying Executing from non-mapped space. Verify ROM and ROM settings. I was wondering if anyone knew how to fix this problem? Should I just reintall Project 64?