Avast endpoint protection and windows security patches 03.01.18 problem

Windows 10 ver 1703 build 15063.786
Avast Endpoin protection ver 8.0.1609 vir.db. 180129-4
Avast AEA ver 8.0.405

The key in the registry present
BUT! clients of the WSUS do not see the update KB4056891. When I deleted the avast on the test PC. He immediately update on the WSUS began to download and install KB4056891.
Explain the reason? You write that the product Avast Endpoin protection 8 is compatible

I tested it issue on Windows 10 1709
got the same result
If the antivirus is installed, the update does not find. if the antivirus removes the update is find and installed
P.S. the key in the registry is present
P.P.S problem in the antivirus software! Please respond!

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