The setup file is not a valid Win32 application

Problem description:
When attempting to start the download installation file of the trial version, the error message that this file is not a valid Win32 application appears.

This error message indicates that problems occurred while downloading the file and the installation file was damaged.

Solution:
Download TuneUp Utilities again:
http://www.tune-up.com/download/
If necessary, use the alternative download server provided when you click on the download link.