Please type the address of the command interpreter (e.g,C:\Windows\command.com)
GRUB is working fine. The problem is with windows.
Using Linux, make sure that C:\Windows\command.com
exists (and has not been erased).
Take a look at autoexec.bat
, there may be an error in the set path
(you may or may not have one).
The first lines of msdos.sys