If you launch any Piriform product, and have UAC turned on in any way, and your default web browser is not currently open, and you then click on check for updates, or click Yes when prompted to download a new version, your web browser will be launched with administrator rights.
You've literally posted this exact same topic info in every software area - one is enough therefore I'll only leave this one active.
Please do not duplicate topics/posts throughout the forum!
On my defense, I have no knowledge that each program is written by the same developer(s); just trying to help.