Ah, you shouldn't question snissen, they're a "PC Systems Admin and Windows expert." They shouldn't "need" to mention the four scanners. Yet, if they were as wonderful as they claim they would have solved this or provided more than enough information to get a fix. Have you noticed how all of their information is very sketchy?
Now, here's the kicker. I'll even bold it.
Let's just say I'm questioning this. I install CCleaner on every machine I work on, and this has never been an issue.