Here is the proper solution to the Xtool X100 Pad2 key programmer “License Exception” error when launching Xtool APP.
Solution from xtool.co.uk engineer
*Delete XTOOL file and run an upgrade
Step 1: Connect X-100 Pad2 to PC and power on X100 Pad2
Step 2: Activate X-100 Pad2
Press Login account and login with email address
Enter “Activation Code” which you can find on the user manual
Complete all information and click on the “ACTIVATE” button
Activation complete. Go to x100 pad2 main menu.
Then open resource Manager and delete the XTOOL file there.
Step 3: Run an upgrade
X100 Pad updated directly online using WiFi or USB connection.
To access the update application, open the Xtool X-100 pad 2 Pro APP and click “UPDATE”
Hope it helps