Response: 530 User cannot log in. Error: Critical error Error: Could not connect to server FileZilla Windows

If your FileZilla was working fine and if it suddenly stopped working you should try the following.

1. Make sure that you have not copy pasted the username and password using Ctrl + C and Ctrl + V. You must type the username and password using the keyboard.

2.  Make sure that the you have added the ports in the Windows Firewall exception.

 

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