SoftArtisans provides XFile in a digitally signed cab file. However, if you are accessing a web application which is distributing XFile in an unsigned cab file, this behavior may occur.
Windows XP SP2 has default internet security settings to block the installation of XFile if it is distributed in an unsigned cab file, even after the user clicks on "install ActiveX" in the information toolbar.
Internet Explorer give the following Security Warning:
Internet Exporer - Security Warning
Windows has blocked this software because it can't verify the publisher.
Name: saxfile.cab [saxfileee.cab]
Publisher: Unkown Publisher
To help protect your computer, Windows will block software when it annot verify the publisher.