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Process WUDFHost.exe (Windows Driver Foundation) engages up to 50% of CPU when running Windows Media Player

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Hi Guys,

I'd like to find out why WUDFHost.exe takes so much CPU (for about 4-5 minutes, then it gets back to normal) when playing Audio/Video files.  I run Win 8.1. PRO Update 1 on AMD Processor x 64. I've updated all drivers and additionally installed the latest K-Lite Mega Pack to play all possible formats with WMP.


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