Description of Impact

Windows computers with CrowdStrike may be stuck in a reboot loop and blue screening, or stuck at a recovery screen.

Current Status

IS&T teams have identified the cause of the incident to be a file update by CrowdStrike. This issue is affecting systems across the world and is not isolated to BU. CrowdStrike Engineering has identified a content deployment related to this issue and reverted those changes.

Steps to resolve the issue

If computers are still crashing and unable to stay online to receive the Channel File Changes, the following steps can be used to resolve this issue:

From the Windows recovery screen:

1. Click Advanced Recovery Options
2. Click Troubleshoot
3. Click Advanced Options
4. Click Command Prompt
5. If you are asked for your BitLocker recovery key, you will need to get this from your local IT desktop support representative or group, or call the Service Desk at 617-353-HELP.
6. Enter:

   del C:\Windows\System32\drivers\CrowdStrike\C-00000291*.sys

   • Note: If you have more than one drive, you may need to figure out what drive has Windows on it and use that drive letter.
7. Enter: exit (or close the window)
8. Click Continue