Winrot - the creeping, pernicious degradation of the integrity of Windows systems to the point where they run slowly, behave erratically, stop working altogether, or all of the above.
It just sounds like the end of the year blues or Senioritis to me.
Or, maybe its more like cruft.
In hacker jargon, cruft describes areas of something which are badly designed, poorly implemented, or redundant.
