What Does This Do?
This utility installs the UPEK Protector Suite QL Registry Patch.

To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
Download the UPDOTH-00104331-US.EXE file to a temporary or download directory (please note this directory for reference).
Go to the directory where the file was downloaded and double-click the UPDOTH-00104331-US.EXE file to begin the installation.
At the "User Account Control" screen, click "Continue".
At the "Protector Suite QL (Upek) Registry Patch" screen, click "Next".
At the "License Agreement" dialog, read the agreement, then, if you agree, click "I Agree" to continue the installation.
At the "Registry Editor" dialog, click "Yes".
At the "Information has been successfully entered into the registry" dialog screen, click "OK".
At the "Finish" screen, click "Finish".
If the "Program Compatibility Assistant" screen appears, click "This program installed correctly".
The installation of the UPEK Protector Suite QL Registry Patch is complete.

This utility installs the UPEK Protector Suite QL Registry Patch.

http://esupport.sony.com/US/p/swu-matrix.pl?upd_id=4719