Windows popping up on Firfox

So we continue with this:

1. Restart your computer
2. Before Windows loads, you will be prompted to choose which Operating System to start
3. Use the up and down arrow key to select Microsoft Windows Recovery Console
4. You must enter which Windows installation to log onto. Type 1 and press enter.
5. At the C:\Windows prompt, type the following bolded text, and press Enter:

cd erdnt\subs

6. At the next prompt, type the following bolded text, and press Enter:

batch erdnt.con

7. The erunt backups will begin copying.
8. At the next prompt, type the following bolded text, and press Enter:

exit

Windows will now begin loading.

Please post a fresh HijackThis log and contents of c:\ComboFix.txt if it exists.

Shaba, no luck with the last procedure, windows did not recognize the command, computer at home still down, please advise on next move, Thanks

Which of the commands is not recognized?

Neither erdnt\subs or batch erdnt.com

Please try then cd erdnt\hiv-backup and batch erdnt.con instead.

lack of Response