Just found something that must not be existed! A bug under readyboost function on Winodws 7. OK its a bit deep and it seems not to affect the computer function but if you like to see it for yourself where it lays keep reading.    

Florian Reimann’s idea was great and quite simple… He created five utilities which are utilizing the Windows 7 new behaviour to display the progress in the task bar icon (with the window minimized). With these little executables a Windows 7 user can have indication for CPU usage, Memory usage , Battery status, HDD usage and Volume level at [...]