I'm not so sure totally disabling your firewall is a wise idea for security reasons. Instead, configure it to allow LW full access; (advisable not to have 2 active firewalls b/c they can interfere with each other); see Firewall configuration instructions (click on link)

Also, see the following link & follow all the off-shoot links to find hints & extra skills to help solve your problem: To continue files downlding (click on link)