If you have a server/client 8.1/2012 facing this problem, indicated in device sophos log, you should follow this article installing correct Microsoft Patch:
https://support.sophos.com/support/s/article/KB-000039876?language=en_US
If you have a server/client 8.1/2012 facing this problem, indicated in device sophos log, you should follow this article installing correct Microsoft Patch:
https://support.sophos.com/support/s/article/KB-000039876?language=en_US
