i bought license key for WF3720 on thursday 22 august (#17537347)
Received registration code by mail, while trying to register with license key, i get an error message:error 10093
PS: another license key for WF3720 was bought on monday 26 august , (#17568240), same error message while trying to register.
i am still waiting your reply for "error 10093 while registering license key "
in the meantime i try another purchase for another wf3720, still getting same error.
please try to help urgently, customers are chasing us.