If you are not using vehicle data, be sure the Vehicle checkbox is not checked on the Users user properties "User Data" tab.  

• In the tree, expand the Users node and locate the user receiving the error message.
• Right-click on the user and select "Properties..." from the context menu.
• On the "User Data" tab, verify the Vehicle checkbox is clear.

Generally speaking, Windows Server is a streamlined OS where many of the available features and programs found in the desktop versions are disabled.  Intelli-Site requires a working sound card.  Therefore, the "Windows Desktop Experience" must be enabled.

First, verify a sound card is installed on the computer.  If there is not a sound card, you must install one.  Intelli-Site will not work without one.  Once there is a sound card, enable the "Desktop Experience" feature of Windows.

• In the Windows Control Panel, select Programs and Features. In the leftmost column, locate Turn Windows Features on or off and click it.

                

• This brings up the Server Manager application.  In the tree, select "Features" if it isn't already selected.  Click "Add Features".

              

• The Add Features Wizard runs.  Scroll through and locate "Desktop Experience".

                

• The <Install> button will become active.  Click it to install the feature.
• Reboot the computer.

Verify the sound card is working by plugging in speakers or a pair of headphones and run something with sound.