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PresentationFontCache hogging CPU 50% windows 10

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the service PresentationFontCache.exe is only usefull if you use WPF (Windows Presentation Foundation) applications.

If not, start services.msc and disable the service.

http://i0.wp.com/yshvili.com/wp-content/uploads/2016/08/PresentationFontCache1.jpg?resize=441%2C97

http://i1.wp.com/yshvili.com/wp-content/uploads/2016/08/PresentationFontCache22.jpg?resize=441%2C63

Open the service And stopping the service Windows Presentation Foundation Font Cache.

http://i0.wp.com/yshvili.com/wp-content/uploads/2016/08/PresentationFontCache3.jpg?resize=581%2C28

Go to this phat c:\Windows\ServiceProfiles\LocalService\AppData\Local\

http://i1.wp.com/yshvili.com/wp-content/uploads/2016/08/PresentationFontCache4.jpg?resize=640%2C268

and deleting the file FontCache3.0.0.0.dat

start the service Windows Presentation Foundation Font Cache.

Done