Looks like this fix has stopped working. Am looking for another, if there is one.

• Select VIDEOS > Add-Ons
• Highlight IPTV Stalker
• Open Context Menu
• Select Add-On Settings
• Select Portal1
• Select Custom Mac Address
• Select Mac
• Enter 00:2A:79:12:34:56
• Select OK
• Select IPTV Stalker
• Highlight NFPS
• Open Context Menu
• Select Clear Cache
• Exit IPTV Stalker
• Highlight IPTV Stalker
• Open Context Menu
• Select Add-On Settings
• Select Portal1
• Select Custom Mac Address
• Select Mac
• Enter 00:1A:79:12:34:56
• Select OK
• Select IPTV Stalker
• Highlight NFPS
• Open Context Menu
• Select Clear Cache
• Exit IPTV Stalker
• Open IPTV Stalker

It should now work again

Here is an easy to follow guide for installing the IPTV Stalker Add-On for Kodi.

• Download the IPTV Stalker Zip and save to a location you can easily access from your Kodi device
• Open Kodi
• Select SYSTEM

• Select Add-Ons

• Select Install from zip file

• Navigate to where you downloaded the zip in the first step and selectplugin.video.stalker-master.zip

• Wait for Add-on enabled notification

IPTV Stalker is now installed and can be accessed via VIDEOS > Add-Ons > IPTV Stalker from your home screen.