User disappeared.

My sisters computer has a dilemma. You know windows has users you can log on with and it has your settings and files there for you as soon as you logon. well she comes home after 2 days and now its gone, and the other user (my dad had 1 when he loaded the windows for her, is there, but her files(mainly pictures) and settings arent there). Anyone know what happened, and how to retrieve these users and/or files?

Windows comes up you used to be able to pick between Dad and sister, now only Dad is there.

 

It is not uncommon for user profiles to become corrupt, and all data under those profiles to get deleted when that happens.

That is just one reason why backups are critically important. Data only stored on the hard drive is data you don't care about losing.

If you log onto the PC in Administrator mode, is the data there?

 

Don't know the password to it.>< and a virus scan resulted in 0 viruses/other bad things found.