After configuring and replicating the USB/Port Security (USB/PS) settings. To troubleshoot this configuration on a user’s machine, follow the steps below.
1. Verify the USB/PS is installed on the machine.
a) An icon will appear in the system tray. 
(unless this option was disabled in the element configuration)
b) “Desktop Authority USB/Port Security” will show in Add/Remove Programs.
2. Right-click on the USB/PS icon in the system tray and select “See My Permissions”. This dialog window will show the current set of permissions applied to the logged on user.
At this point, USB/PS is installed on the machine and the permissions are set. If there were issues with the Installation of USB/PS or the configuration settings not applying, review the SLTrace.htm file. See USB/Port Security SLTrace Overview.
If there are any issues that cannot be resolved by reviewing the SLTrace file or by viewing the additional KBs below then Contact Technical Support for further assistance.
Here are some additional knowledge base articles that will assist in configuring and troubleshooting USBPS:
