Hi all,

There is an  issue when installing on Vista where the Desktop installer gets in a loop where it cannot detect the 3.1 v2 Windows Installer or XML 6.0. The popup is titled “ProClarity Install Prerequisites” and will loop even after rebooting.

The way to get around this issue is to run the setup.exe from within the installation files, instead of from the Professional installation splash screen. Drill all the way into the installation until you reach the level shown in the screenshot below, and then run the setup.exe. This should end the loop and allow you to install the Professional client.

Try it,

Ronen