If you didn't set administrator password , press ctrl+alt+del on welcome screen then type administrator in user name filed and press enter.
but if you set admin password, use bootable disk to remove...

Well, Windows is using some drives while running, you should format your partition from other os such as MS-DOS, Linux or ....
use bootable disk, that supports NTFS/FAT32 format types. then type...

Well, I have installed Windows XP on my PC, i usually use limited accounts, and i change my administrator password few weeks ago, but i cant remember it.

So i asked whether i can change my...

isn't there any app or hints?!

I dont know the exact problem of your computer, but its recommended to format the primary driver normally(not quick mode).
if you are not using bootable windows xp cd you should run smat drive in...

Hi,
I'm trying to change administrator password from limited account which i didn't know that.
is there any possible way?

press alt+cntrl+del and end process what is using CPU

press cntrl+alt+del
then end process explorer.exe, and add it again, if it doesnt work download explorer.exe and replace it!

if you access to that computer:
run command, type shutdown -m -s \\remote computer name

thats all

I think you should set password for you account
Control panel --> Account management --> set password

then at the welcome screen you should enter password

for setting password on...