Quantum Leap Bug 2: The Unstoppable Puddle of Uncertainty

Warning: This bug is so complex, it's been known to cause spontaneous combustion in 47% of test subjects.

Caused by: A malfunctioning toaster that's also a sentient being with a grudge against our team.

Symptoms:

Users report feeling lost in a never-ending maze of probability.
Users may experience sudden and unexplained feelings of existential dread.
Users are occasionally replaced by a puddle of quantum goo that refuses to budge.