We use Sophos InterceptX on all computers (w10 et w11)
for VPN, we are using Checkpoint Endpoint Client https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doShowproductpage&productTab=downloads&product=175
The last versions, v86.40 and v86.50 are blocking Sophos Update !
Sophos support tell me that Checkpoint seems do not use "file system minifilter" https://support.sophos.com/support/s/article/KB-000033347?language=en_US&name=KB-000033347
have you experimented some similar problem ?
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