When CCleaner is left open to idle (2-3~ minutes) > it prompts for an Internet connection?

So I have everything internet related option wise checked to off, "Automatically check for updates to CCleaner" for example.

But I've noticed that if you leave CCleaner open for a few minutes just idling, 2-3~ or so, my firewall will go off because CCleaner is phoning home or something, what is this? A bug?

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hello special,

here a similar thread

https://forum.piriform.com/index.php?showtopic=48571

-> especially hazelnuts answer #6

-> in her answer #6 link -> her answer #2 and #5