#include <windows.h>
#include <stdio.h>
#include <tchar.h>

int main()
{
TCHAR szExe[] = _T("D:\\QQ.exe");
TCHAR szCmd[16] = {0};

STARTUPINFO si;
PROCESS_INFORMATION pi;

si.cb = sizeof(STARTUPINFO);
GetStartupInfo(&si);

if(!CreateProcess(szExe, szCmd,
NULL, // process info
NULL, // thread info
TRUE, // inheritable
0, // creation flags
NULL, // environment
NULL, // current directory
&si, & pi))
{
printf(_T("open process: %s failed with error: %d\n"), szExe, GetLastError());
}
else
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
}