The Vulkan Runtime Libraries 1.0.39.1 consist of several components:

If you’ve spotted in your Windows installed programs list, specifically version 1.0.39.1 , you might wonder if it’s necessary—or even safe.

Panic flared across the forums of the internet. "Is this a virus?" "Where did it come from?" Users worldwide looked at the version number with suspicion. It had no flashy icon, no "Launch" button, and it had appeared overnight like a mushroom after a rainstorm.