I keep on receiving emails from users who, at the time of activation of the expert advisor, get the message “Invalid License” This is due in 99% of cases, because they have not read carefully the instructions on the website or in the attached installation guide . Here below you will find again the instructions on how to correctly enter the requested data:
When entering data for the license, BE VERY CAREFUL that the following data are the same as your MT4 accounts:
4 account numbers
If the data entered at the time of the license purchase will not match those of your MT4 account, you will be notified: “Invalid Account” and the expert advisor will not work.
In this case, you will need a new license string.
And also please make sure to copy and paste the license code into the “license” field inside the expert advisor settings
taking care not to copy blank spaces at the beginning or at the end of the license string.