Botched CrowdStrike security update breaks Windows worldwide, causing BSOD and crashes



 Neowin:

Multiple companies worldwide are currently forced to suspend their operations due to a faulty cybersecurity update from CrowdStrike. The update is taking down thousands of Windows computers, causing them to boot loop and crash to a blue screen of death.

Affected companies include banks, airlines, TV channels, and more, and some of them are forced to halt their jobs almost completely, with most Windows PCs not working due to the Falcon Sensor agent from CrowdStrike, a system that monitors network activity and prevents cyberattacks. One user from Malaysia said on Reddit that 70% of their laptops are now stuck in a boot loop.


UPDATE:







CrowdStrike issue impacting Windows endpoints causing an error message on a blue screen
Microsoft has identified an issue impacting Windows endpoints that are running the CrowdStrike Falcon agent. These endpoints may encounter an error message on a blue screen and experience a continual restarting state.

We have received reports of successful recovery from some customers attempting multiple restart operations on affected Windows endpoints.

To mitigate this issue, follow these steps:
  1. Start Windows into Safe Mode or the Windows Recovery Environment.
  2. Navigate to the C:\Windows\System32\drivers\CrowdStrike directory
  3. Locate the file matching “C-00000291*.sys”, and delete it.
  4. Restart the device.
  5. Recovery of systems requires a Bitlocker key in some cases.
For Windows Virtual Machines running on Azure follow the mitigation steps in Azure status

Additional details from CrowdStrike are available here: Statement on Windows Sensor Update - CrowdStrike Blog



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I remember a very big bug with McAfee Virus Scan 6.0, which required a patch, it would make Windows 98 SE crash. It would freeze and I was required to uninstall in safe mode! Then I found a patch. This is back in probably 2001.
 

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