Microsoft often sends updates to Windows. CureZone is hosted on a Windows platform.
The latest update introduced a bug (I guess), so, instead of counting visitors, the counter that was working just fine for 4 years is apparently counting page views during a whole day, or god knows what else. At this stage it is hard to understand the behaviour of this counter.
Call Bill and complain.
To get the real picture on the number of visitors during any past day ... look here: