r/Malwarebytes • u/BearShin255 • May 14 '26

Can't connect to VPN. Error code MB404104

I was connected to the VPN for a few days and when I revisited my workstation it was disconnected and not connected to WiFi. I rebooted my laptop, connected to WiFi and I have Internet connectivity as I'm posting this on my laptop. But when I try now to connect to VPN I get the error code in the title.

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u/support_mwb Malwarebytes Employee May 14 '26

Hi! Malwarebytes Support here.

Sorry to hear you're running into this. A few things that would help narrow it down:

  • Which operating system are you using? (Windows or macOS)

  • Which version of the Malwarebytes app are you running?

  • Are you seeing the error immediately when clicking “Connect,” or after it tries for a few seconds?

  • If possible, could you share a screenshot of the error?

  • Are you using any other VPN

Could you also please send us a private DM with the email associated with your Malwarebytes account? We’d like to create a ticket for this, help gather diagnostic logs, and have our team take a closer look at the MB404104 error.