I have noticed the total number of immunizations on my laptop is 182, 317 and my pc is 354,052. I imagine that Spybot S & D should be uninstalled and reinstalled on one of the machines... which one is wrong?

I am running Windows XP SP3
Firefox 3.0.10
AVG 8.5.339
Spybot - Search & Destroy 1.6.2.46