unable to login as administrator

From: Stefan Stefanov (stefanst@yahoo.com)
Date: 11/11/02 

From: "Stefan Stefanov" <stefanst@yahoo.com>
Date: Mon, 11 Nov 2002 04:37:36 -0800

Hi,

I have WinXP Home edition.
The problem is that I can not login as Administrator. The
error message that appears is:
"unable to log you on because of account restrictions".

what is the problem and how can I solve it.

thanks,
Stefan