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FileZilla: critical error - connect failed - what to do?

  • Oct 26, 2025
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Critical errors, such as for example, when connecting to the Server with FileZilla is failed, you can fix it quickly by yourself. We will tell you in this practice tip on how to do so.

Critical error on FileZilla: connecting failed – what to do?

  • Before you connect to the Server, you should ensure that you are properly connected to the Internet. To do this, you can open any page in the Browser.
  • In addition, you should make sure that you have started the Server. Usually this is done via the website of the provider.
  • Possibly the Server is not currently working due to maintenance. Try it again later.
  • When entering the data, you should check whether you have used the correct data and the correct connection settings is selected.
  • Maybe FileZilla is being blocked by your Firewall or anti-virus program. Turn off the power to these two services, therefore, in the short term. You can then establish a connection, we show you, how you FileZilla in the Firewall and in the antivirus program free can.
  • Contact your provider to get further assistance for the Problem.
FileZilla: Critical Error
You can't solve the Problem, we have in the next practice tip with the 3 best FileZilla Alternatives for you.

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