You already know. And you need a solution to unbrick your BitLocked drive.
Along with other wider reported outages emergency services & hospitals are being disproportionately impacted. Hope this helps get a few back online while a real fix is prepared. I used to work in healthcare. I understand how critical uptime is.
Why trust a design blog? Because I've lived a few lives, am very tech savvy, and I've been in your shoes. I needed to unbrick my Windows 10 home edition which doesn't ship with BitLocker... but prompts users to BitLock encrypt their drives during initial setup anyways. It's fun learning the hard way. You just need to get to the desktop to delete a file: C-00000291*.sys". Here's your solution!
You likely saw this workaround shared around. But you have Bitlocker encryption enabled? And the recovery key is somewhere? Or! You have a home edition of Windows 10/11 with Bitlocker enabled?
1. Boot Windows into Safe Mode or WRE.
2. Go to C:\Windows\System32\drivers\CrowdStrike
3. Locate and delete file matching "C-00000291*.sys"
4. Boot normally.
Source: https://www.reddit.com/r/crowdstrike/comments/1e6vmkf/bsod_error_in_latest_crowdstrike_update/
Here's your solution, Bitlocked buddy:
Try this BitLocker CrowdStrike Solution:
1. Start machine, and restart a few times until you cycle through enough BSODs you get the recovery screen.
2. Navigate to Troubleshoot> Advanced Options> Startup Settings
3. Select "Restart"
4. Press Esc to skip the first Bitlocker recovery key entryfield
5. Using Esc, skip again the second Bitlocker recovery key entryfield by selecting Skip This Drive in the bottom right
6. Navigate to Troubleshoot> Advanced Options> Command Prompt
7. In CMD, type "bcdedit/set {default) safeboot minimal" & hit enter.
8. Go back to the Windows Recovery’s main menu & select Continue.
9. You may need to repeat steps 1 through 8 several times to boot in to Safe Mode
10. When you get in to safe mode, log in normally.
11. Open Windows Explorer, navigate to C:\Windows \System32\drivers\Crowdstrike
12. Delete C-00000291*.sys
13. As Administrator, run CMD
14. Type "bcdedit /deletevalue (default) safeboot", then press enter.
15. Restart normally
16. Confirm normal behavior 🤞
17. Repeat as needed for every impacted system.
18. Take breaks. Drink Water. It's gonna be a long weekend.
Good luck!
Along with other wider reported outages emergency services & hospitals are being disproportionately impacted. Hope this helps get a few back online while a real fix is prepared.
There ought to be a lesson learned from this situation: that critical medical equipment should use a custom hardened OS or hardened Linux version stress tested to breaking in every conceivable way, but surely no hospital administrators nor device manufacturers with power to make those decisions will learn anything today.
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