What kind of error is this????????

[SteveCRM]

--------------------Configuration: win32 Class Practice - Win32 Debug--------------------
Compiling...
class.cpp
C:\Windows\Profiles\Steve\Desktop\C c++\win32 Class Practice\class.cpp(17) : fatal error C1001: INTERNAL COMPILER ERROR
        (compiler file 'msc1.cpp', line 1786) 
         Please choose the Technical Support command on the Visual C++ 
         Help menu, or open the Technical Support help file for more information
Error executing cl.exe.

win32 Class Practice.exe - 1 error(s), 0 warning(s)

I don't know what to do Do I Have to re-install it?

Here's the code I'm using...(class practice)

// Class Practice For A Win32 Application
// By Steve Mack\
// March 9, 2001 (09.03.01)

#include <windows.h>

HWND ghWnd_Main; // this is the main window 
HWND ghWnd_enter;
HWND ghWnd_Text;

class NAME  {
public:
    char setname(char myname[40]);
    void showname();
    char finalname[40];
}
NAME::setname  {
    finalname = myname;
    return finalname;
}
NAME::showname  {
    MessageBox(hWnd, finalname, "name:", MB_OK);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    switch(uMsg) {
        case WM_CLOSE:
            DestroyWindow(ghWnd_Main); // Destroy the main window
            return 0;

        case WM_DESTROY:
            NAME::~showname  {
            }
            NAME::~setname  {
            }
            PostQuitMessage(0); // Quit the application
            return 0;

        case WM_COMMAND:
            if(LOWORD(wParam) == BN_CLICKED && (HWND)lParam == ghWnd_enter) {
                    NAME steve;
                    steve.setname("Steveman");
                    steve.showname;
            }
            return 0;
    }
    return DefWindowProc(hWnd, uMsg, wParam, lParam); // Not handled - let the system deal with it
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    WNDCLASSEX wcxMyClass;

    wcxMyClass.cbSize = sizeof(WNDCLASSEX); // Size of structure in bytes
    wcxMyClass.style = 0; // Extra style information
    wcxMyClass.lpfnWndProc = WndProc; // Pointer to window procedure
    wcxMyClass.cbClsExtra = 0; // Extra bytes in class definition
    wcxMyClass.cbWndExtra = 0; // Extra bytes for each window
    wcxMyClass.hInstance = hInstance; // Instance handle for the class
    wcxMyClass.hIcon = NULL; // Default icon - use system
    wcxMyClass.hCursor = LoadCursor(NULL, IDC_ARROW); // Load the system arrow
    wcxMyClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); // Background brush
    wcxMyClass.lpszMenuName = NULL; // Menu name [MAKEINTRESOURCE(IDM_MAINMENU)] - none here
    wcxMyClass.lpszClassName = "TESTCLASS"; // Class name
    wcxMyClass.hIconSm = NULL; // Small icon
    
    RegisterClassEx(&wcxMyClass); // Register the class

    ghWnd_Main = CreateWindow("TESTCLASS", "Steve's Class Practice", WS_OVERLAPPEDWINDOW, 100, 100, 400, 445, NULL, NULL, hInstance, NULL); 
    if(ghWnd_Main) {
        ghWnd_Text = CreateWindowEx(WS_EX_CLIENTEDGE, "Edit", "Enter Your Name Here...", WS_CHILD | WS_VISIBLE | ES_MULTILINE | WS_VSCROLL, 0, 40, 330, 40, ghWnd_Main, NULL, hInstance, NULL);
        ghWnd_enter = CreateWindow("Button", "Enter Info", WS_CHILD | WS_VISIBLE, 0, 0, 100, 30, ghWnd_Main, NULL, hInstance, NULL);        
        ShowWindow(ghWnd_Main, nCmdShow); // Show using the specific show style
    }

    /////////////////////////
    // Handle message loop //
    /////////////////////////
    MSG msg;
    while(GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg); // Translate keycode messages
        DispatchMessage(&msg); // Send to the window
    }

    UnregisterClass("TESTCLASS", hInstance); // Unregister our window class
    return msg.wParam; // msg.wParam contains the code passed to PostQuitMessage()
}