retrogod said:
How did you do it?? please explain what you typed in command prompt

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how did you use command prompt,i know how to get to command prompt but then what?
Get the winlogon and explorer (optional) on an usb stick, then type:

Code:
(your USB DRIVE): 
(your USB DRIVE): cd (folder you have winlogon and explorer) (dont type if there are in root.)
(your USB DRIVE): xcopy winlogon.exe C:\Windows\System32\
(same as up but with explorer)

now navigate to your usb again to check if was successfully copied:

Code:
(your USB DRIVE): dir
Make a soft restart

ok!
tm if worked

pd.: if you canīt get to the command prompt or having trouble typing, you can use WinRE tools and try to get to the cmd by there.