Rapid, he already said above in that quote^ that her partner made it known he's aware of what she's been doing, therefore its not like Shing has gone round by chance looking at the pc is it. She would have been wondering how can see it or know about it. Most people would think key logger or rat software straight away.

Mrjenrst- i can't believe you said if she has nothing to hide what's the problem. So you wouldn't be shocked if your partner had been watching your online activity for months without your knowledge? I know i would be. What about passwords and things?

IMO you should have proof or pretty good reasons for installing key loggers.