The second method: the best answer: no software, just bat instructions. Method: Open a text document and enter "del/s/f/q" \ *. * (just copy). Note that ""contains the full path to the log folder. Then save it as "Clear Records. Bat ". For example, if you install Health Internet Expert under D:\music\ Health Internet Expert, then enter: "del /s /f /q D:\music\ Health Internet Expert \ *. * (without quotation marks) Note: the bat command deletes all folders and files under the path folder! You'd better remember this method. If it cannot be deleted in the future, you can use this method. If you have time, I suggest you also learn bat instructions. Very impressive! )