Secure Your PC with the best way part 4

Rohos Mini Drive
Rohos Mini Drive is a crafty tool for creating encrypted hidden partitions on Flash drives. If you're one to mislay such small things then it gives some added piece mind that the private data contained within will never to get into the wrong hands. (free version)
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Spybot - Search and Destroy
Putting the kibosh on adware, spyware and a variety of malware is what this software is all about. Spybot - S&D does a top job at its intended purpose, but should be considered as a backup to compliment any current anti-virus protection installed, not a replacement. (free version)
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Tor
Tor is a potent anonymous web surfing and Internet messaging package. While active your traffic is rerouted through a series of virtual tunnels that hides the user IP from being tracked. The trade off is slower speeds, and disabled Flash, Cookies, Java, and ActiveX to completely cut off any back doors that reveal the home IP address. (free version)
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TrueCrypt
Unprotected personal data stored on drives is a security hazard waiting to happen, and the potential data theft could be more valuable than the hardware itself! To ensure personal files are kept secure, use TrueCrypt to lock them away in the safe haven of virtual encrypted disk volumes. (free version)
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ZoneAlarm Free Firewall
The standard Windows firewall is perfectly adequate to protect from intrusion, yet, a more beefier solution is ZoneAlarm. One major advantage here, is being able to prevent both inbound and outgoing data, thus preventing infected machines from broadcasting passwords another sensitive data. If you've been put off with ZoneAlarms past over zealous popup interruptions, you'll be glad to hear that things have moved on significantly with the software now making many of its own decisions without pestering you every 5 minutes. (free version)
Download here