@echo off
REM .-----------------------------------------------.
REM | Script to undo the mess that the disk cleanup |
REM |  utility makes by compressing 'old' files     |
REM | Also remove the registry key that causes it   |
REM |  to mess things up                            |
REM |-----------------------------------------------|
REM | Peter Woods.     Atec Solutions Ltd.     2012 |
REM '-----------------------------------------------'

echo Disabling 'compress old files' option...
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Compress old files" /f
echo.
echo.
echo Un-compressing all files on C:...
compact /U /S /A /I /Q C:\
echo.
echo.
echo Running defrag to tidy up all the fragments created by compressing and uncompressing files...
defrag C: -f
exit