Virus scanning Tools

Spyware Tools

Other Cleanup and scanning Tools

Etrust
Trend micro
Mcafee
Bit defender
Kaspersky
FSecure 

Pcpitstop
Anti-spyware

MicroSoft Scanning
Symantec Tools
- Free Removal Tools
Panda
MS Malicious Software Removal Tool
Audit my PC
- Firewall Test
- Broadband Speed Test

Conficker Detection Tool (Mcafee Remote Scanner Utility)
Click Here to upload a file to see if it is a virus (Upload a file you think may be a virus)

Free Spyware and Malware removal tools

Microsoft Windows® Defender
Spybot Search & Destroy (Latest Version)
Spyware Cleaner from Trendmicro (Scans your PC from website) 
SUPERAntiSpyware Can be installed on Clean PC and copied to infected PC and run from directory (Removes Spyware, Adware, Spyware, Adware, Malware, Trojans, Dialers, Worms, KeyLoggers, HiJackers, Parasites, Rootkits and many other types of threats)
Dial-A-Fix (Click HERE to learn more before downloading. Dial-A-Fix is a handy user interface to perform tasks which are usually used when repairing computers after Spyware/Adware/Malware damage - ) other types of threats)
Ad-Aware
Spy Ware Blaster
Bazooka (Adware and Spyware Scanner)
HijackThis (Note: You should only use HijackThis if you have advanced computer knowledge or if you are under the direction of someone who does. Improper usage of this program can cause problems with how your computer operates.)
malwarebytes
(variety of tools that can identify and remove malicious software from your computer)
Conficker Detection Tool (Mcafee Remote Scanner Utility)
Conficker Removal Tool (Mcafee Stinger)
Conficker aka Downadup Removal Tool (Symantec Removal Tool)
Emsisoft Anti-Malware (Scan and remove especially trojans and other malware such as worms, viruses, spyware, trackers, diallers, etc. Easy to use, quarantine and updates are available. File guard, auto updates, scheduled scans are not included in the free version.)

Free Antivirus tools

Housecall from Trendmicro (Scans your PC from website)
AVG Home Edition (Install on your PC)
avast! Home Edition Download (Install on your PC)
FSecure (Free Antivirus)
AntiVIR (Avira Free Antivirus)
NOD32 AV (ESET Free Antivirus)
Kaspersky (30-Day Trial Antivirus)
Symantec (Removal tools)
Kaspersky (Removal tools)
Microsoft Security Essentials (Can be used instead of AVG)
VIPRE PC Rescue Program (Great for cleaning up infected PC's)
Free Dr Web (Can detect and remove all infections. Very easy to use. No Install needed. No updater included, so you have to download the whole program every time you need it to get the latest definitions.)(If page loads in Russian switch to English in upper right corner)
ComboFix (Downloads from Bleepingcomputer.com) (scans your computer for known malware, and when found, attempts to clean these infections automatically. In addition to being able to remove a large amount of the most common and current malware, ComboFix also displays a report that can be used by trained helpers to remove malware that is not automatically removed by the program. Please note that running this program without supervision can cause your computer to not operate correctly. Therefore only run this program at the request of an experienced helper.)(Won't Run with AVG installed)
Microsoft Security Essentials (Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software)

Windows Tools

Windows 7 Utilities

• Windows 7 Upgrade Advisor (current Version) - Shows you if you can upgrade your current system and programs to Windows 7
• Windows 7 Logon Background Changer (current Version) - Windows 7 Logon Background Changer is a free open source software that lets you change the wallpaper of the Windows 7 login screen
• Windows 7 USB/DVD Download Tool The Windows 7 USB/DVD Download tool allows you to create a copy of your Windows 7 ISO file on a USB flash drive or a DVD.

Service packs

• XP SP3
• Vista SP2
• Mac OS X 10.6.2 | 10.5.8 | 10.4.11

Reset Windows NT/2k/XP/Vista admin password

http://home.eunet.no/~pnordahl/ntpasswd/ (Makes a Boot Disk to reset password)

Ultimateboot CD

Ultimateboot CD  (Many free tools that are packed onto 1 CD image)

Microsoft Security Site

Microsoft Security

Microsoft Test Site

Microsoft Genuine Advantage – Diagnostic Site

REGISTRY AND SYSTEM MAINTENANCE

Easy Cleaner v 2.X

GENERAL FILE UTILITIES

Total Commander (File Managers)
Explorer2  (File Managers)
7zip  (Zipping/Unzipping utility)
TugZip  (Zipping/Unzipping utility)
UnRAR  (Zipping/Unzipping utility)
Print Folder 1.2 (Folder Content Printer)
Directory Printer (Folder Content Printer)
ChainSaw (File Splitter)
GSplit (File Splitter)

 CD-R/CD-RW/DVD

CD BurnerXP (Complete Package)
Deep Burner (Complete Package)
Ultra ISO (ISO Burner)
WinISO (ISO Burner)
MagicISO (ISO Burner)
CloneCD

 HARDWARE UTILITIES

SpeedFan
Belarc
CPU-Z

 BACKUP UTILITIES

Karen's
myEasysync
Syncback (Our Personal Favorite)
Partition Saver

SPEED TEST

Audit my PC
SpeedTest