We are using Sophos Endpoit AV with Intercept X module for a month now. Some of our users are reporting problems with opening PDF documents ever since, like FrankBackes already reported with the use of Sophos Home Beta.
I have received this complain from a few users that they had the problem when opening a new PDF that they never opened before.
If the user experiences this problem when opening a PDF than he simply tries again and then it works.
The version of Adobe Reader is Version 2017.009.20044
The OS is in every case windows 7 professional Dutch systems.
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