First, ensure the computer in question has a good connection to the internet. Also verify the customer's password has not expired. If after this, VPN is still not working, then follow these steps in order to fix the VPN Client.
Installing VPN (If the VPN folder is not in the WFU-Utility folder then go here for VPN download)
Note: if the VPN profile does not appear after installing VPN Client, please download from here: https://help.wfu.edu/vpn/WFU_VPN-User_ver11.pcf (you'll need to right click and "Save as" Open VPN (Start > Programs > Cisco Systems VPN Client) and Click on Connection Entries and choose "Import" from the list, and then select the PCF file.