After rebooting the system, an Invalid license error occurred. on the previously purchased Expert Advisor. although before the reboot, everything was fine. where should I write, where to look for help? activation is still there, but without finding out the reasons to activate again, i do not want to, you never know what, it will fly off again. I will be glad if someone helps. thanks.
The activation of the Expert Advisor flew off.
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If some hardware has been replaced on the computer (for example, the motherboard, or processor, or hard disk, although some of this may be acceptable to change), or Windows has been reinstalled, then the Expert Advisors lose activation and stop working. Write to the server desk, if the activation was reset just like that, then your old activations may be reset to zero.