Log in with an account with administrative privileges.
At ''Documents and Settings'' at the root folder, look for your daughter's account and rename it, then rename it again to the original name. Reboot. This may reset a possibly corrupted profile at your daughter's account.
Have windows Xp. My wife, daughter and I have our own user profile. When my daughter signs on under her profile, she can not type anything. Word processing programs, nor even filling search boxes on the net works. The problem is not there under the other users.
Have no idea what she might have accidentally turned on or off. Any suggestions appreciated.