Enchanted Keyfinder

A utility that retrieves the product key used to install Windows from your registry or from an unbootable Windows installation. It works on Windows 9X, ME, NT/2K/XP, and Vista/Win7 and for other software.

http://sourceforge.net/projects/ekeyfinder/

Wipe 2011

The internet isn't a safe environment, hackers are monitoring passwords, cookies and browsing activities, which is why users need all the protection they can get. Privacy ( security ) software has been developed to keep users' personal information safe as they browse the internet, generally by allowing users to securely delete their internet tracks, remove junk files and shred sensitive computer data.

WIPE is a free, easy to use and powerful security tool that allows you to protect your privacy by clearing browser history and cache, cleaning index.dat files, securely removing cookies, safely deleting autocomplete history and temporary internet files and erasing any other tracks that you leave behind after having used your pc. Only the evidence of your activities, which is recorded and stored by your computer without your permission, is erased - no user documents are deleted!

http://privacyroot.com/programs/info/english/wipe.html

Start Up Menu

If your Windows machine is running slow, check task manager and if there is a high percentage of CPU usage due to processes running in the background then open up START menu and delete programs running in the background. This process will not delete any software or harm your OS.

How To Install Linux Ubuntu

Step by step video tutorial. Click Here

AVG Rescue CD / USB Drive / Free Antivirus

If you can't update or run your antivirus on an affected machine, follow this link to get to the AVG Support site and download the rescue software to cd or usb stick. Click Here

Also get free AVG Antivirus Protection from : http://free.avg.com/gb-en/download-avg-anti-virus-free

Also check out : http://www.cloudantivirus.com/en/ This is the first free cloud antivirus and the main benefit of this is that it is always up to date.

Team Viewer

If you need to access other PC's but are unable to get to your client, you may want to get to grips with Team Viewer, you can access clients PC so long as they have also downloaded the software and provide you with their ID code and password. The client will need to have an active broadband connection to enable the remote viewing. It's free for non commercial use. Click here to go to Team Viewers website.

Anonymous Internet Surfing

Check out this link if you want to surf the internet anonymously using proxies.

http://www.wikihow.com/Surf-the-Web-Anonymously-with-Proxies