There are multiple reasons why this error message comes up. Below are the possible solutions:
- Make sure to use the correct Activation Code. From the Portable Security 3 Management Program. Check and edit the Activation Code with the correct one.
- Check Portable Security 3 Management Program's Proxy Settings.
- Open Portable Security 3 Management Program.
- Navigate to Settings > Management Program Settings.
- Review the Proxy Server settings.