Administrator Login Blocked in Windows XP

Hi All!!

I have a Windows XP Computer, which is running Service Pack 2 on it. I had a user "demo" on it initially, i logged in to the builtin administrator account and went to the local users and groups in the computer management and deleted the demo user. I also set a password for the builtin administrator account. I restarted the computer and see that i am not able to logon to the builtin administrator account with the password that i set. Even blank password i tried.

I really have to fix it up. This is a POS Machine and it doesnt have a CD Drive.

Please help
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FayazConnect With a Mentor Commented:
Slave the disc on another machine and use the admin password utility.
Mal OsborneAlpha GeekCommented:
Do you have ANY bootable media options? The following site has instructions for creating an offline password reset disk.  A floppy works fine, you can get a USB key to work with a bit of fiddling.
a similar solution is to download 
and after you burn the iso , boot with it in the computer that has the password issue and reset or set a password for the adminstrator account.
Make sure you don't have caps lock on or off (depends what it was set to when you set the password). Also, if the PC has a small keyboard like those which are usually used on notebooks, without a separate numerical keypad, it is possible that "Num-Lock" is on and you get number keys where you usually have letters.

A further issue could be is if you are using a different keyboard layout for the user than what the default layout is. If you used special characters for your password which are at a different location on your standard keyboard from the one the user uses, those characters will be at a different location.

I also strongly recommend getting SP3 installed. It is careless not using it, and also m$ support for that has been terminated.
Vishal PatelCommented:
What is the error message you get ?

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