SophosNetFilter causing BSOD


We have a client with 26 computers joined to a domain.  Eight of the computers started to have a BSOD as soon as the user would login to their domain profile, or if started to browse the web.  After looking at the dumps we noticed that the cause is SophosNetFilter.

Via Sophos central we turned off the web filter policy, as well as Real-Time Internet scanning.  Once we disabled these settings, the computers stopped crashing and they have been working fine since.  The version of the Sophos Endpoint on the computers is 2023.2.1.6.

The only change on the systems and network was the Windows update KB5034766 that was installed the night prior. 

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[edited by: Gladys at 11:25 AM (GMT -8) on 5 Mar 2024]
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