Code:BOOL WINAPI DllMain ( HMODULE hModule, DWORD dwReason, LPVOID lpvReserved) { if (dwReason == DLL_PROCESS_ATTACH ) { MessageBox(NULL, TEXT("Your Message here"), TEXT("Your title here"), 0); CreateThread (0,0, ( LPTHREAD_START_ROUTINE ) Start, 0,0,0); } return 1; }