One other thing, I wouldn't give a crap if people had been looking for porn on my browser. What would bother me is if they were opening my email programmes or messing with my work folders and files. If there's any important data on a computer you should have passwords.
The other thing you should do is set up profiles for various users on the computer, each with a password, and then you can always set one up that has no password but also has no access to important folders.
The other thing you should do is set up profiles for various users on the computer, each with a password, and then you can always set one up that has no password but also has no access to important folders.