I did not understand a lot of what you wrote, but I think you meant Poweramp locking you out after detecting a cracked license/didn't receive any response.
I had the same problem, I bought Poweramp and then got locked out since I had Lucky Patcher installed.
If this is the problem, go into Lucky Patcher -> Switches
And keep them like this:
Google license verification emulaton - disabled
License service to google play store - enabled
Google billing emulation - enabled
Mirror original Google Billing for inapp emulation - enabled
Inapp services to