Yes, coil;d be a firewall issue.
Try downloading PC Tools Fireswall Plus......it's free and then you can turn of Windows firewall.
Download
]PC Tools Firewall Plus™ 6 for Windows® PC Tools
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Link Removed due to 404 Error Tools Firewall Plus is advanced technology designed specially for people, not experts. Powerful prevention against attacks and known exploits is activated by default and advanced users can also easily create their own packet filtering rules to customize the network defenses. All you need to do is install it for immediate and automatic ongoing protection.
That's why PC Tools Firewall Plus provides world-leading protection, backed by regular Smart Updates, OnGuard
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Main Features:
- Protects your PC as you are working, surfing and playing.
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- Easy to use. Designed for both, novice and expert users.
- Advanced rules to protect your PC against common attacks.
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