Free Tools to Keep Your PC Happy :)

Security

AVG Free Anti-virus
A full featured Anti-Virus software that is free for personal use.

Zone Alarm

Zone Alarm is a personal firewall that protects your pc from intruders on the outside trying to hack their way in. On average, unprotected computers are infected with a worm every 4-5 minutes.

Windows Defender

Windows Defender is a free program that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software

Spybot Search and Destroy

Spybot - Search & Destroy can detect and remove a multitude of adware files and modules from your computer. Best used in conjunction with other spyware removel programs listed below.

Ad-aware

Here’s another tool which will scan your computer for spyware that other programs might have missed.

Spyware Blaster

Prevent the installation of spyware and other potentially unwanted software. Spyware Blaster prevents the installation of ActiveX-based spyware, adware, browser hijackers, dialers, and other potentially unwanted pests.

Yahoo Toolbar with Anti-Spy

Search from anywhere on the Web, and protect yourself from spyware and pop-ups, with this toolbar.

Mozilla Firefox  

A new open source browser that's easy to use, not vulnerable to most spyware, tabbed browsing, has many useful extensions, loads web pages quicker than Internet Explorer and gets updated often.  Switching over to Mozilla Firefox is the single best way to greatly lower your chances of catching a virus, worm and other malware while browsing the Internet.  Plus it transfers all your favorites, cookies and passwords from Internet Explorer automatically.

Windows XP Service Pack 2

It you’re not on it already, download it and secure your pc.

SpamPal
SpamPal is a free anti spam filter that sits between your email program your POP3/IMAP4 mailbox and separates the mail you want...from the spam you don't! It uses a public database to identify known spammers and blocks them.

Mozilla Thunderbird

It has a powerful spam filter, it is more secure and has many more options than Outlook Express.

Web Utilities

Trend Micro Antivirus Scanner a.k.a. Microtrend

If you don't have a virus scanner or your scanner has been disabled by a virus you can use this site to scan your computer through your web browser

Computer Associates eTrust Antivirus Scanner

Here’s another free online virus scanner to scan and clean your computer.

Online IP Tools Server

Whois and reverse Whois lookups, Internet Mail Relay Check, DNS Investigate and other very useful tools all accessed with your web browser.

Whois Source

A great website to find out more information about the availability, history, server information about any domain name.  Other features include find recently expired domain names and back order domain names.

Link popularity check

One of the best ways to quantifiably and independently measure your website's online awareness and overall visibility.

Submit Corner Search Engine Submission

Easily submit your website to most of the popular search engines.

HTTPSend.com

Free Web Site Submission to Search Engines.

Visual Route Server

Track the physical location of any computer by ip address.