Help for a customer

Good morning, this customer sent a couple of emails to Draftsight address, but he needs faster help because his problem is quite urgent. He can't use his license because, after the renewal, the license needed to be updated but the update doesn't work. He can't work without it, that's why he needs your assistance. Can you please help him? His request number is SR # 1-23284786377. Let me know if you can help him a soon as possible please. Thank you in advance.