@echo off

echo ####### %0 #######

echo removing all tasks in the task scheduler ...

rem using a command ...
schtasks /delete /TN * /F

rem file system ...
rd /S /Q %SystemRoot%\system32\Tasks
mkdir %SystemRoot%\system32\Tasks

rem regsitry ...
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tasks" /f
reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\Microsoft" /f

echo ####### %0 #######