"On July 19, 2024, a CrowdStrike update was suspected to cause the Blue Screen of Death on Microsoft Windows, affecting millions of computers (Windows/Mac) worldwide, including those of essential services like emergency services, hospitals, banks, airlines, trains and others.
The blue screen of death is reported with a stop code of PAGE_FAULT_IN_NONPAGED_AREA from the csagent.sys driver."
https://en.wikipedia.org/wiki/CrowdStrike#2024_Blue_Screen_of_Death