Solution #1: Ensure you are connected to the internet
An internet connection is required for the activation of Thickify.
Solution #2: Check for typos
Make sure there are no extra spaces or characters in your serial key when entering it.
Solution #3: Contact us for support
If you are connected to the internet and have entered the correct serial key multiple times, and are still experiencing an activation error, then please submit a support request here. Our support team will help you out as soon as we can.