Skype and firewalls
1. Open Sygate Personal Firewall (Go to Start -> All Programs -> Sygate -> Sygate Personal Firewall).
2. Right click on Skype icon and select Allow.
Congratulations, you have successfully updated your Sygate firewall. Restart Skype, it will automatically reconnect (it can take up to two minutes).
If Skype cannot still connect, contact your system administrator or ISP for further assistance.