https://www.yahoo.com/news/live/microsoft-outage-it-crowdstrike-status-flights-grounded-latest-072117660.html
CrowdStrike is aware of reports of crashes on Windows hosts related to the Falcon Sensor.
Symptoms include hosts experiencing a bugcheck\blue screen error related to the Falcon Sensor.
Current Action: CrowdStrike Engineering has identified a content deployment related to this issue and reverted those changes.
If hosts are still crashing and unable to stay online to receive the Channel File Changes, the following steps can be used to workaround this issue.
Workaround Steps:
Boot Windows into Safe Mode or the Windows Recovery Environment
Navigate to the C:\Windows\System32\drivers\CrowdStrike directory
Locate the file matching “C-00000291*.sys”, and delete it.
Boot the host normally.