Both Windows Firewall and the anti-virus firewall were enabled. (This is strange in itself: normally, an anti-virus program disables Windows Firewall.) Disabling Windows Firewall, rebooting, and reinstalling the printer software finally got the wireless printer working again.

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For example, Afaria, from my employer Sybase, can come configured with both anti-virus and firewall components.

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He said people should sign up for automatic updates, make sure the applications they use are regularly patched, use anti-virus software and run a firewall.

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This can be time-consuming if it has firewall, anti-virus and anti-spyware products installed.

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Yet ironically, as Microsoft slowly improves the security of its products by, for instance, incorporating firewall technology, anti-virus systems and spam filters its actions increasingly start to resemble those that, in the past, have got the firm into trouble with regulators.

ECONOMIST: Microsoft

Make sure your security software provides anti-virus, anti-phishing, safe browsing, a Host-based Intrusion Preventions System (HIPS), and firewall capabilities.

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