I got quite upset after I ran ccleaner's last update&cleaning - my current sessions from Google Chrome and Firefox disappeared.   This seems to be default setting in the latest version.   Obviously - it is wrong to assume that user's session in a browser is something they don't need. It is like a cleaner coming to my house, throwing away my mail, just because it lies on the floor in front of the door.   I consider this a bug.   CCLEANER v2.35.1219   behaviour mentioned also> ht