@Kevin_Z Yes, I do use access control.

@tapac3 After a day of normal use, there has not been any problems. Seems like this beta FW fixes the problem.

@tapac3 Yes, I also have the V1 EU version. I installed the beta firmware and will update you after a while. Thanks.

@tapac3 Hello, the same error also occurs with my C64, but I really don't understand the technical details about it so I cannot provide any insight. If beta FW is working for you, could you provide...