High CPU use when Windows 8.1 user name contains "user"

In Windows 8.1, when the user account name contains the word "user", intermittently you will find the process taskhost.exe keeps consuming high CPU percentage.

This is a problem in the component DFPCommon.dl in Windows 8.1.

To resolve the issue, do not create a user account contains the string "user" on the computer.

來源: https://support.microsoft.com/en-us/kb/3053711