urgent please

hi guys,
hi  murthy511 ,

i have dell xps 17-3d (L702x)
i can't recover dell factory setting it disappear

a just follow your great steps but when i reached to step 5

http://en.community.dell.com/support-forums/laptop/f/3517/t/19331267.aspx?PageIndex=1

"

type

imagex /apply c:\dell\image\factory.wim 1 d:

"

and waiting to 100%

and then i have an error num :1812

as it shown in pic

then and after search advice me to put needed file at path so i downloaded it from net and put it at the same path put the error still appear i made dir to folder

and alredy found the file !!!!!!!!!!!!!!!!!!!!!!!!!!!

so what can i do............

help me please i am sure that u can