When installing Liquid Viscosity if you get an error about your license file not being valid you will need to regenerate it. It is very easy to regenerate your license. Follow these steps.

1. Login to www.liquidvpn.com/billing/clientarea.php 
2. Click the VPN Management button


VPN Management

3. Click Management Actions and Select Disable Viscosity


Disable Viscosity



4. Press F5 to Refresh your Browser
5. Click Management Actions and Select Enable Viscosity this will remake the zip file and bundle in the proper license.lic file. It will email the links to you or you can download the files from the bottom of https://www.liquidvpn.com/billing/clientarea.php

 
Enable Viscosity

Also Read

How to connect to a VPN server
1. Run the software either from the Desktop icon or by locating it through the start menu...
Installing Viscosity on Windows 7
Please note AVG users may experience a problem when running Viscosity. Until AVG releases an...
Liquid Viscosity on OS X
Please note that Liquid Viscosity is outdated and is no longer the recommended way to connect to...
Installing Viscosity on Windows 8.1
This guide is old and we no longer recommend using this client. Instead we recommend using the...
Liquid Viscosity Enable/Disable LiquidDNS
By Default DNS leak protection is turned on. To Toggle DNS leak protection off/on follow these...