Horror beyond human imagination

Anyone out there who has experienced The Invasion of the Ventblockers is urged not to approach the creature without first firing up a flamethrower

Definite signs of proto-life.

this machine was still working as claimed by the user...

...as was this one, as claimed by the owner , "until it was cleaned":
Not nasty enough for you so far?
Here's something unpleasant, which I believe took a bit longer to culture inside this floppy drive slot
More incipient life now, starting with this beast
This demonstrates what five years in close proximity to a smoker can do to a Mac G5 Cheese Grater...
the long-term effects of a dog wrapping itself round the box for its afternoon nap:
disturbing image of a foetal alien dust-being...
...which will eventually burst through the vent slots and begin to absorb other lifeforms, kicking off with that sleeping dog and eventually working its way through the entire crew of the Antarctic base:
always try this tasty desktop snack served up

Yup, signs of Pot Noodle there, and no messing.
Of course, we also have evidence of indigenous creatures making themselves right at home inside people's PCs. "All the little brown things you see in the spider webs are dead roaches and the black specks poo."
Crikey. Arachnids were also to blame for the somewhat slow running of this basement-based PC
a live eight-legged critter probably none too pleased about his imminent eviction:
And, to top off this chilling round-up, here's another one, showing why a printer power supply is not a good place for two mice to shack up: