After reviewing the logs I can say that the wtfd dosnt stop before you log out, event if the service is not in use.So go into WTFast and use the door for logout and the error will stop.If you are not as of "384.12" your log will be spammed with "wtf...
Just me getting a issue with "disk delay" from the 2003 bios ? After i updated I have to wait for 1-3 seconds before lets say google chrome starts - before update it was instant. (might be somthing what just happend to my Windows or drivers)