IF YOU HAVE INSTALLED BEFORE ALWAYS REMOVE THE OLD FOLDER

C:\PROGRAM FILES \ ---NAME OF THE PROGRAM --

ELSE THE INSTALLER DOESN’T WORK!

Download Picture cooler CT version.

Download Picture cooler 2010 NEW 19 Sep 2010 Vista Windows 7 --32bit and 64bit compatible.

DownloadNew program Hyper contrast enhancement --SPECIAL FUNCTIONS IN IT FOR THIS NEW ALGORITHM updated 17 Juli 2010

For Vista users or maybe also for other OS:

Do not run from the Download now link but select download -remember where it is downloaded to then from your OS

Right click on the icon and click run as administrator. I did that and it installed just fine.