You notice Windows 10 64-bit machines non-paged pool memory grows from 160 MB to over 4 GB and then the CPU spikes to 100% when Symantec Endpoint Protection (SEP) 14 RU1 MP2 (14.0.3929.1200) and LogonExpert are installed. Users have trouble logging in or observe slow machine performance.
Windows 10 workstations CPU usage increases over a period of 1 to 2 days until they are spiked at 100%. A reboot corrects issue, and everything is okay for a couple of days.
Virtual machine environment
Windows 10 Professional 64-bit
SEP 14.1.x or 14.2.x
The high CPU issue was resolve on Windows 10 machines after upgrading LogonExpert (LogonExpertHelper) from version 7.3 to version 7.6.
Subscribing will provide email updates when this Article is updated. Login is required.