Sometimes you need programs such as Foxpro DOS runs in your Windows 7. But when you try to edit files such as autoexec.nt and config.nt, you fail. "Access is denied". The message shows up.
Well, the solution is as follow:
1. Open Windows Explorer
2. Go to Computer and then Local Disk (C:)
3. Click Windows, then System32
4. Click Autoexec.nt
5. Click the right button on your mouse
6. Click Property