WMP causing excessive disk activity

Sep 14, 2016
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I rarely use WMP but loaded it just now (to check whether the streaming settings were OK, as I need them for streaming videos from my PC HD to my smart TV). But as soon as WMP started, my CPU activity shot up, and my external USB HDs became hyperactive. On checking Win 10 TM I see most of the activity seems to be due to WUDFHost.exe.

As soon as I exit WMP, the excessive activity ceases.

Never had this behaviour on previous occasions.

In relatively non-technical term, can anyone give me some insight into what is going on please?

Terry, East Grinstead, UK

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