one hit kill code crash

#include <windows.h>
#include <iostream>

using namespace std;

DWORD dwCShell = (DWORD)GetModuleHandleA("CShell.dll");

DWORD WINAPI HOOK(LPVOID param) {
	while(GetModuleHandleA("CShell.dll") == NULL ) {
	Sleep(7000);
}

bool OneHit = false;
        
while(1) {

		if(GetAsyncKeyState(VK_F9) &1){OneHit = !OneHit;}
		if(OneHit){

                   DWORD dwWeapon = *(DWORD*)( dwCShell + 0xA299AC );

				   if ( dwWeapon ){
                            for( int i=0 ; i < 512 ; i++)
                            {
                                    DWORD Weapon = *(DWORD*)( dwWeapon + i * 4 );

                                    if ( Weapon ) continue;

                                   *(float*)( Weapon + 0x7A4) = 3000.0f;
                            }
							
                     }
             }
      }
}

BOOL WINAPI DllMain ( HMODULE hDll, DWORD dwReason, LPVOID lpReserved )
{
	DisableThreadLibraryCalls(hDll);
	if ( dwReason == DLL_PROCESS_ATTACH )
	{
		MessageBoxA(0, "CODE BY DOOP's", "Injected", 0);
		CreateThread(NULL, NULL,HOOK, NULL, NULL, NULL);
	}
	return TRUE;
}