Thank you very much. Apparently this column is not being converted to the "Short Date" that is set in Windows under Regional Settings in the Control Panel.
We were going to correct this later in the week, but there was an important internal change we needed to make immediately. Therefore the Hotfixes Install Date sorting should now be corrected.
The new version is 1.0.1045 and can be downloaded from the same location:
http://www.komododigital.com/newtpro/newtpro.exeSince you've downloaded the file recently, your browser may not think the file is different. So you may need to clear your cache or download the file using another machine or browser.