well ours only did it because we bought the house and that axes the limit on value increases which is normally capped at 10% a year. so it went from $250,000 previous owner to $275,000 when it was reappraised. which is what we paid for it.
Well the way steam works is they can "ask" to install "your" game on their comp. It's nice way to gate what they own. Its just too much work and another password. Rather just install what she is allowed and tell her stick to the desktop or else.