What is a good strategy for finding the right video and audio drivers?

1) Download all possible drivers for your computer.
2) Install each one, until you find one that works.
3) If you couldn't find one that works, try the drivers bundled with the operating system. For example, for Cyrix MediaGX, there is no audio drivers made for Windows 2000, so use "Creative Sound Blaster 16 Plug and Play (WDM)" instead.

How to integrate service packs into your bootable windows installation CD?

Use nLite at http://www.nliteos.com/.

How to quickly save screenshots?

1) Use the shortcut key to copy a screenshot.
2) Paste it into Microsoft Word.
3) Repeat until satisfied.

How to make your wireless Windows XP computer Wi-Fi Protected Access 2 (WPA2) capable?

NOTE: This only works if both the adapter and the router are both WPA2 capable.

1) Download and install this update for Windows XP.
For Windows XP English
For Windows XP Chinese Traditional

2) Setup the router and the adapter, the same way as WEP. In the router, use AES and PSK. In Windows XP, use WPA2-PSK.

What is a GOOD and FREE software substitute for Mathematica?

Answer: Maxima. http://maxima.sourceforge.net/

How to find out which line your AutoIt script is stuck at?

1) Add this without the outside quotes, "Opt("TrayIconDebug", 1)" to the beginning of your AutoIt script.
2) After running your script, move the mouse cursor over the tray icon.