Perhaps a good starting point would be, to check, if these FAQs could be of help, since the
problem most likely is triggered by third party programs, personal firewalls or codecs
(because the issue seems to be a quite rare one).
[url]How to find components causing high CPU usage]
[url]https://resource.dopus.com/t/problems-caused-by-third-party-programs/2154/1]