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Merchant processing stopped working. error 500
I just completed the most recent update to 23.0 ,that required me to disable the antivirus to allow it to finish writing values to the registry, and now, if I try to run a card, I get an 500- internal server error.
Disabling "Cloud-delivered protection" in windows defender allows it to work sometimes, but surely that is not the recommended solution. Did the developers maybe include a vulnerable library in this update?