Here's some stuff that I find useful.  Maybe you will too, who knows.

 

I think this is the best Anti-Spyware out there.

 

SUPERAntiSpyware, with over 20 million users worldwide, is the most thorough scanner on the market. Our Multi-Dimensional Scanning and Process Interrogation Technology will detect spyware other products miss! Easily remove pests such as Vundo, TDSS, AntiVirus Pro 2010, and thousands more! Repair broken Internet Connections, Desktops, Registry Editing and more with our unique Repair System. Our Dedicated Threat Research Team scours the web for new threats and provides daily definition updates.

 

Simply the best antivirus in my opinion.

 

AVG from Grisoft

AVG Anti-Virus Free Edition is a free anti-virus protection tool developed by GRISOFT for home use.

Cost: Free!!!  (Comment from Chris: "Works better than Norton or McAfee")

Download Link

 

I use this one along with the SUPERAntiSpyware i have listed at the top.

 

Ad-aware from Lavasoft

This program finds spyware. These are small programs that advertising companies place on our computers. They report back on our browsing habits. Run Ad-aware weekly, and get this garbage off your hard drive.
Cost: Free!!!

Download Link

 

 

SpyBot search and destroy from S&D

Detects and removes spyware.  I use it along with Ad-aware for keeping the garbage off my computer.

Cost: Free!!!

Download Link

 

 

Registry Mechanic from PC Tools Software

Safely clean, repair and optimize the Windows registry.

Type: Free to try  (unregistered version only corrects a few entries)

Cost: about 30 bucks

Download Link

 

 

PerfectDisk®  From Raxco Software

Fast and thorough disk defragmentation, optimization and free space consolidation.

Cost: Starts at 40 bucks but it's worth the money.  It seems to work well.

Download Link

 

 

RegClean from Microsoft

RegClean is a small application that will save a lot of start-up time. It clears the Windows 95/98 Registry safely and effectively. With the Registry cleaned out, you'll have a shorter wait when you boot the computer.

Cost: Free!!!

Download Link

 

 

SG TCP Optimizer from Speedguide.net

The TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing your Internet connection. There is no installation required, just download and run.

Cost: Free!!!

Download Link