If f you want to disable a device where you have installed 3NCRYPT3D Secure Application from accessing your account, you should:
1 - Via browser, Access the Account Page and login;
2 - In the side menu, go to "Account";
3 - At the bottom of the page, locate the Device you want to De-authorize;
4 - Click on the icon ;
5 - Carefully read the message displayed. If you wish to continue, confirm the operation by entering your PIN Code .
You will receive an email message confirming that this device has been deleted from your account.
You can see the whole process in this video: