General Windows articles

Don't restore viruses and malware - take care when using System restore
Clean Windows with Avira AntiVir Rescue System - it's a free CD you can download
Clean up Windows viruses with AVG Rescue CD - download the free CD
Access Internet Explorer 8 developer tools - they are really useful
Remotely access your computer using TeamViewer when you're out
Speed up your PC with video driver tweaks - extra performance
Check the hosts file for malware, it may have been hijacked
Avoid web scams with WOT - Web of Trust and avoid phishing and malware
4 Twitter clients running on Adobe AIR for Windows, all free
Clean Windows with Avira AntiVir Rescue System - a free cleanup CD
4 free Adobe AIR games for Windows that are free of charge
Clean up Windows viruses with AVG Rescue CD and avoid nasty surprises
Share files between Windows, Linux and Mac OS X for people that use them all
4 Twitter clients running on Adobe AIR for Windows that are free of charge
Speed up Internet Explorer 8 in all versions of Windows - top tweaks
Encrypt your USB flash memory drive: Just in case you lose it
Net Monitor: 8 free tools to monitor internet bandwidth you are using
Check the PC's memory: 6 free memory diagnostic utilities to check the RAM
Speed up the disk: 15 free disk defragmenters to boost the PC's performance
Back up your files: 9 free backup tools to keep your files safe in the event of a disaster
Sync your files: 12 Tools to keep your files synchronised on multiple computers
Microsoft Virtual PC: Run another version of Windows with this emulation software
Uninstall software properly: Uninstallers don't always work and files remain. Clean up properly
A great security toolbar for Internet Explorer to keep you safe on the web

Windows 7

Fix Windows 7 using System Recovery Options part 1
Fix Windows 7 using System Recovery Options part 2
Enable the secret God Mode in Windows 7 to access hidden features
Top 10 desktop Sidebar gadgets no-one should be without

Windows Vista

Previous Versions: Recover lost or overwritten files with this great Vista feature.
Windows Vista Tips: A collection of hints and tips make Vista easier, more useful and secure
Windows Firewall part 1: Introducing the firewall and how to configure it using the Control Panel
Windows Firewall part 2: Continuing exploration of the firewall and examining advanced features
Windows Firewall part 3: How to block oputbound connections and lock down the computer
Change file associations: Change the program that opens when a file is double clicked
Windows Vista tips collection - top tips, tweaks and more
Top 10 desktop Sidebar gadgets you shouldn't be without

Windows XP

Windows XP Tips: A collection of hints and tips make XP easier, more useful and more secure.

Apple Mac OS X

New features in Safari 5 on the Apple Mac
Hide files in secure vaults, it's really easy
Customise the dictionary in OS X and make it work the way you want
A flexible multi-file rename utility using Automator
Use Automator announce birthdays in OS X and never forget them
Delete Automator actions and services in OS X that you no longer need
Create useful services using Automator on the Mac
Speak contacts' birthdays using OS X Automator
Read documents, web article on your iPhone, iPad and iPod Touch
Reduce startup times in OS X and boot your Mac faster
Scan for Wi-Fi networks on your Apple iMac or MacBook
4 Twitter clients running on Adobe AIR for Mac OS X
4 free Adobe AIR games for Mac OS X - have some fun
Share files between Windows, Linux and Mac OS X
4 great Twitter clients running on Adobe AIR
Start apps with Command-Option to fix certain faults
14 ways to eject a stuck CD or DVD disc from the drive
Diagnose problems with Activity Monitor
Part 1: System Preferences - Personal section
Part 2: System Preferences - Hardware section
Part 3: System Preferences - Internet & Wireless section
Part 4: System Preferences - System section
Top tips for using Spaces on the Apple Mac
Want a cheap Mac? Visit the Refurb Store for a bargain
7 disk defragmenters to boost the speed of the Mac
6 ways to monitor your internet bandwidth usage
Blackberry and your Mac: Who needs the iPhone? Use a Blackberry!
Graphics apps for your Mac: 8 must-have applications.
Switch to OpenDNS: Get a better, faster, more reliable internet
Create a virtual PC: Run Windows or Linux on your Mac using VirtualBox
Avoid spam with rules: Create rules in Mail to block unsolicited email.
Uninstall Mac OS X software properly: Many programs don't have uninstallers. Here' how to clean them up.
Calendar Control: How to implement a Visual Basic-like pop-up calendar control using RealBasic.
Read/write .csv files in RealBasic: An article for RealBasic programmers showing how to read/write .csv files.
Hints and tips: Hints and tips to make working on the Apple Mac easier, faster, and better.
Sort ListBox contents by date in RealBasic: How to sort a list of dates in a ListBox control in RealBasic.
Sony Ericsson K800i: Information, wallpaper, themes, hints and tips for the mobile phone.

Linux

Create shortcuts and menus to run Java applications
Upgrade your PC to Ubuntu 10.04 LTS Lucid Lynx
Set up Gwibber for social networking in Linux
Improvements to Disk Utility in Ubuntu 10.04
4 home finance programs for Linux
Set up Gwibber for social networking
4 Twitter clients running on Adobe AIR to keep in touch with friends
4 free Adobe AIR games - take a break and have some fun
Upgrade your PC to Ubuntu 10.04 LTS Lucid Lynx
Share files between Windows, Linux and Mac OS X.
Set Windows as the default OS in Grub
Customise the login screen using Face Browser
Run Spotify in Linux using Wine and listen to your favourite tracks
12 web page editors to build your own website
15 web browsers for Linux - there's more choice than you might think

General articles

The new Amazon Kindle 3 is a fantastic ebook reader, and cheap too!
4 free Adobe AIR games for Windows, Linux and Mac OS X
Share files between Windows Linux and Mac OS X
How to install viruses, Trojans, and other malware
Router security: Don't let hackers and malware hack into your router
Website statistics: What's the most popular web browser? Who is using XP, Vista or OS X?
Sony Ericsson K800i: (Windows) Information, wallpaper, themes, hints and tips for the phone.
Sony Ericsson K800i: (Mac) Information, wallpaper, themes, hints and tips for the phone.
Free software: Are you still paying for software? Why bother when you can get it for free!
The shareware awards scam: Awards given to programs aren't quite what they appear to be.
Virus info: Lots of information about the latest virus threats and links to anti virus software.
eBay Tips: With better listings, you should attract more bidders and get more sales.
Greyhound Cracker tips and techniques: For anyone that's interested in greyhound racing.
A day at the races: Is it possible to come up with a betting system that makes money?
Gone phishing: A collection of scams. Take a look and you'll learn how to spot them yourself.
Beat the bookies: How to win at horse racing - advice and tips on how to maximise your winnings.
Share trading: How to use Share Cracker to decide when to buy and sell shares.
Introduction to Skype: Written long ago with an earlier version of Skype, but still might be useful.
Processors: The state of the processor market in 2004/2005 and Intel/AMD CPUs.
Psion Series 5: This was a hand held computer that was around in the mid 1990s.

Programming articles

Waypoints: How to move game characters along predetermined paths using waypoints.
Pathfinding: A program/article/source code that shows how to work out the path from point A to point B. It's used in lots of games and other software.
Advergames: This article looks at the subject of advergames and shows how you can write your own.
Calendar Control: A Visual Basic-like pop-up calendar control using RealBasic. (Written on the Mac, but should work on Windows too.)
Read/write .csv files in RealBasic: How to read and write data to standard .csv files using Realbasic. (Written on the Mac, but should work on Windows too.)
Sort ListBox contents by date in RealBasic: How to sort a list of dates in a ListBox control in RealBasic.