Cb Defense: BSOD On Windows Devices with Sensor
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Cb Defense: BSOD On Windows Devices with Sensor


Article ID: 287839


Updated On:


Carbon Black Cloud Endpoint Standard (formerly Cb Defense)


  • System crash (BSOD) observed on some machines running


  • Cb Defense Sensor:
  • Microsoft Windows: All Supported Versions


  • So far these crashes have only been observed on Windows 7 and Windows 10, however it is possible to occur on other versions
  • Carbon Black has reproduced one issue which can results in a BSOD
  • Engineering is currently investigating other potential causes for BSODs


Carbon Black is aware of the issue where the 3.3 Sensor is causing BSOD. Please see the following post for more information and remediation.

3.3 Windows Sensor Rollback

If you have already upgraded to 3.3 we recommend that you follow these steps to roll back to 3.2:

  1. Uninstall 3.3, following any of the instructions found here: https://community.carbonblack.com/t5/Knowledge-Base/Cb-Defense-How-to-Uninstall-Windows-Sensor/ta-p/42739
  2. Install version 3.2, which can be downloaded from the UI