Weird Problem with My Computer Clock

[Marie-Eve Martinez]

The time on my computer will randomly set itself back an hour, maybe like every 4 days or so. I just realized it was 1:30, not 12:30.

I don't think it's a virus (I have my virus scan set to every other day) and I've gone into the Time and Date Settings and can't seem to see anything I could change which would prevent it.

I'm running that piece of shit Vista on a fairly new Gateway Laptop, in case you need to know.