Go into your FTP options and see if passive mode is checked ,if it is, uncheck it. If it is not checked, try checking it. This should solve your problem, assuming the issue is not with your actual connection to the Internet.
Go into your FTP options and see if passive mode is checked ,if it is, uncheck it. If it is not checked, try checking it. This should solve your problem, assuming the issue is not with your actual connection to the Internet.